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Dr. Reddy's Research Scientist Interview Questions, Process, and Tips

Updated 7 Jul 2023

Top Dr. Reddy's Research Scientist Interview Questions and Answers

Dr. Reddy's Research Scientist Interview Experiences

2 interviews found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Jul 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Method development and validation related. Quality review and specifications
Round 3 - Technical 

(1 Question)

  • Q1. Method development and performance related

Interview Preparation Tips

Interview preparation tips for other job seekers - It's a dream to join this company as pharmacy student

Interview Questionnaire 

5 Questions

  • Q1. 1)How much percent of buffer used in mobile phase 2) Why we use sls in disso and how much %Allowed
  • Ans. 

    The percentage of buffer used in mobile phase and the use of SLS in disso and its allowed percentage.

    • The percentage of buffer used in the mobile phase depends on the specific experiment and the desired separation of compounds.

    • Buffer is used in the mobile phase to maintain the pH and ionic strength, which can affect the separation and stability of analytes.

    • The percentage of buffer can range from 5% to 50% or more, depen...

  • Answered by AI
  • Q2. How to decide the sink condition
  • Ans. 

    The sink condition is decided based on various factors such as the purpose of the sink, the type of research being conducted, and the desired outcome.

    • Consider the purpose of the sink - Is it for disposal, storage, or analysis of substances?

    • Evaluate the type of research being conducted - Does it involve chemical reactions, biological samples, or physical measurements?

    • Assess the desired outcome - Are you looking for pres...

  • Answered by AI
  • Q3. What is the criteria/limit for impuritiy recovery
  • Ans. 

    The criteria/limit for impurity recovery depends on the specific research study and the desired purity level.

    • The criteria for impurity recovery may include the maximum allowable impurity concentration or percentage.

    • The limit for impurity recovery can be determined based on regulatory guidelines or industry standards.

    • The desired purity level may vary depending on the application or intended use of the research findings.

    • ...

  • Answered by AI
  • Q4. What is mass balance and limit of it
  • Ans. 

    Mass balance is a principle used in various scientific disciplines to account for the mass of substances in a system.

    • Mass balance is based on the principle of conservation of mass, which states that mass cannot be created or destroyed, only transferred or transformed.

    • It involves tracking the inputs, outputs, and accumulation of mass within a system.

    • Mass balance equations are commonly used in environmental science, chem...

  • Answered by AI
  • Q5. Importance of RF values
  • Ans. 

    RF values are important in chromatography to identify and separate compounds.

    • RF value is the ratio of the distance traveled by a compound to the distance traveled by the solvent front in chromatography.

    • It helps in identifying and separating compounds based on their polarity and solubility.

    • RF values can be used to compare compounds and determine their purity.

    • For example, in thin-layer chromatography, RF values are used ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepare before send the resume

Research Scientist Interview Questions Asked at Other Companies

Q1. 1) self introduction 2) How to develop method for Api to finished ... read more
Q2. 8) what is sink condition in dissolution?
asked in Dr. Reddy's
Q3. 1)How much percent of buffer used in mobile phase 2) Why we use s ... read more
Q4. 6)if mass balance not achieved in forced degradation then whts th ... read more
Q5. What is the role of pka in HPLC method development

Interview questions from similar companies

I applied via Company Website and was interviewed before Sep 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. What is the roll of legand in Suzuki coupling reaction?
  • Ans. 

    The role of a ligand in Suzuki coupling reaction is to facilitate the formation of a stable complex between the catalyst and the reactants.

    • A ligand coordinates with the catalyst metal center, enhancing its reactivity and selectivity.

    • It helps in stabilizing the transition state and lowering the activation energy of the reaction.

    • Different ligands can influence the reaction rate and product distribution.

    • Common ligands use...

  • Answered by AI
  • Q2. Which name reaction mechanism you know in best manner?
  • Ans. 

    I am well-versed with the mechanism of the Grignard reaction.

    • Grignard reaction involves the addition of an organomagnesium halide to a carbonyl compound.

    • It is a nucleophilic addition reaction.

    • The reaction is highly useful in organic synthesis, especially for the formation of carbon-carbon bonds.

    • Examples include the synthesis of alcohols, carboxylic acids, and ketones.

    • The reaction is named after French chemist Victor Gr

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and answer honestly, If you don't know the answer say don't have idea about it. And if you know the answer explain it properly in a manner.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before Jan 2023. There were 2 interview rounds.

Round 1 - Group Discussion 

General Organic chemistry questions and API related questions

Round 2 - HR 

(1 Question)

  • Q1. Salary discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - Good knowledge of organic chemistry
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Jan 2022. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Tell any Name Reaction you know.
  • Ans. 

    The Grignard Reaction is a nucleophilic addition reaction between an organomagnesium halide and a carbonyl group.

    • Named after French chemist Victor Grignard

    • Used to form carbon-carbon bonds

    • Commonly used in organic synthesis

    • Example: Grignard reagent (RMgX) + aldehyde (R'CHO) -> alcohol (R'CH(OH)R)

  • Answered by AI
  • Q2. Detail information on projects you have done

Interview Preparation Tips

Interview preparation tips for other job seekers - Before interview please read all parameter carefully.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Mar 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

Fundamental of Analytical techniques, Chemistry of wet analysis, Characterisation techniques, Quantitative and qualitative analysis, Fundamentals of Chromatography, Spectroscopy, Spectrometry l, QC, QA, RA, GLP, cGMP.

Round 3 - One-on-one 

(1 Question)

  • Q1. Chromatography, Spectroscopy, Spectrometry, Wet analysis, API, Formulation, Characterisation techniques and Fundamentals of analytical chemistry.
Round 4 - HR 

(1 Question)

  • Q1. Personal details and salary discussions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident, prepare good knowledge of HPLC, GC, Wet analysis, NMR, XRD, IC, Particle size, IR-spectroscopy, LCMS, GCMS.

I applied via Naukri.com and was interviewed before Aug 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(6 Questions)

  • Q1. 1) self introduction 2) How to develop method for Api to finished products of Assay and Related substances in injectable? 3) column chemistry? 4) method validation 5) ich guidelines
  • Ans. 

    The interview questions cover topics such as self-introduction, developing methods for API to finished products, column chemistry, method validation, and ICH guidelines.

    • For self-introduction, briefly talk about your background, education, and relevant experience.

    • To develop a method for API to finished products, consider factors such as the desired assay and related substances, analytical techniques, and regulatory requ...

  • Answered by AI
  • Q2. 6)if mass balance not achieved in forced degradation then whts the possible reason??
  • Ans. 

    Possible reasons for not achieving mass balance in forced degradation

    • Incomplete degradation of the analyte

    • Formation of unknown degradation products

    • Loss of analyte during sample preparation or analysis

    • Inaccurate measurement of sample or standard volumes

    • Errors in weighing or dilution of samples

    • Contamination of samples or equipment

    • Inadequate mixing or homogenization of samples

    • Inefficient extraction of analyte from the mat...

  • Answered by AI
  • Q3. 7) how to develop multimedia dissolution method?
  • Ans. 

    Multimedia dissolution method can be developed by considering the physicochemical properties of the drug and the media used.

    • Select appropriate media that mimic the physiological conditions of the drug's intended site of action

    • Determine the solubility and stability of the drug in different media

    • Optimize the pH and temperature of the media to enhance drug solubility

    • Use appropriate equipment and techniques for sample prep...

  • Answered by AI
  • Q4. 8) what is sink condition in dissolution?
  • Ans. 

    Sink condition in dissolution refers to a state where the drug being dissolved is completely solubilized and no further dissolution occurs.

    • Sink condition is achieved when the concentration of the drug in the dissolution medium is much lower than its solubility.

    • It ensures that the dissolution process is not limited by the drug's solubility but by other factors like diffusion.

    • Sink condition is important for accurate and ...

  • Answered by AI
  • Q5. 9) pka value determination and their role in development?
  • Ans. 

    pKa value determination and their role in development

    • pKa value is a measure of the acidity or basicity of a compound

    • It helps in understanding the chemical properties and behavior of a compound

    • pKa values are important in drug development as they affect drug solubility, absorption, and stability

    • Determining pKa values can aid in optimizing drug formulations and predicting drug-drug interactions

  • Answered by AI
  • Q6. 10) Bsc classification and their uses.
  • Ans. 

    Bsc classification is a system used to categorize and classify living organisms based on their characteristics.

    • Bsc classification stands for Biological Species Concept classification.

    • It is used to group organisms based on their physical and genetic characteristics.

    • The classification system includes Kingdom, Phylum, Class, Order, Family, Genus, and Species.

    • Each level of classification is based on specific characteristic...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Mankind Pharma Research Scientist interview:
  • Method Development
  • Method Validation
  • ich guidelines
Interview preparation tips for other job seekers - 1)Introduced your self properly
2) you only write what is your actual job profile in your CV.
3) and finally divert interviewers towards your profile and explain it properly

Interview Questionnaire 

5 Questions

  • Q1. What is the role of pka in HPLC method development
  • Ans. 

    pKa plays a crucial role in HPLC method development by determining the ionization state of analytes and their retention on the stationary phase.

    • pKa helps in selecting the appropriate mobile phase pH for ionizable compounds.

    • It influences the ionization of analytes, affecting their solubility and interaction with the stationary phase.

    • pKa values aid in optimizing separation by adjusting the pH to enhance selectivity and r...

  • Answered by AI
  • Q2. How pka value of the product is calculated
  • Ans. 

    The pKa value of a product is calculated based on its acid dissociation constant and the concentration of the acid and its conjugate base.

    • pKa is a measure of the acidity or basicity of a compound.

    • It is calculated using the equation: pKa = -log10(Ka), where Ka is the acid dissociation constant.

    • The acid dissociation constant is the ratio of the concentration of the dissociated form of the acid to the concentration of the...

  • Answered by AI
  • Q3. Tyes of titration with mechanism
  • Ans. 

    Titration is a technique used in chemistry to determine the concentration of a substance in a solution.

    • Acid-base titration: involves the reaction between an acid and a base to determine the concentration of either

    • Redox titration: involves the transfer of electrons between reactants to determine the concentration of a substance

    • Complexometric titration: involves the formation of a complex between a metal ion and a ligand...

  • Answered by AI
  • Q4. How to develope a HPLC Related substances method
  • Ans. 

    Developing an HPLC related substances method involves selecting appropriate column, mobile phase, and detection wavelength.

    • Select a suitable column based on the analyte properties and separation requirements.

    • Optimize the mobile phase composition and gradient program for efficient separation.

    • Choose an appropriate detection wavelength based on the analyte's UV absorption properties.

    • Validate the method by testing specific...

  • Answered by AI
  • Q5. How many types of GC Capillary column and which one is best& why
  • Ans. 

    There are several types of GC capillary columns, including non-polar, polar, and specialty columns. The best type depends on the specific application and analytes being analyzed.

    • Non-polar columns are best for separating non-polar compounds, such as hydrocarbons.

    • Polar columns are ideal for separating polar compounds, such as alcohols and acids.

    • Specialty columns, like chiral columns, are used for separating enantiomers.

    • F...

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Aug 2023. There were 3 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. Experience discussion
Round 2 - Group Discussion 

Experience related questions and some chemistry.

Round 3 - HR 

(1 Question)

  • Q1. Experience discussion
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Jun 2023. There were 2 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. Details about yourself
Round 2 - Group Discussion 

Discussion related to previous experience

Dr. Reddy's Interview FAQs

How many rounds are there in Dr. Reddy's Research Scientist interview?
Dr. Reddy's interview process usually has 3 rounds. The most common rounds in the Dr. Reddy's interview process are Technical and Resume Shortlist.
How to prepare for Dr. Reddy's Research Scientist interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Dr. Reddy's. The most common topics and skills that interviewers at Dr. Reddy's expect are Chromatography, Formulation, Parenteral, Sterile and Technology Transfer.
What are the top questions asked in Dr. Reddy's Research Scientist interview?

Some of the top questions asked at the Dr. Reddy's Research Scientist interview -

  1. 1)How much percent of buffer used in mobile phase 2) Why we use sls in disso an...read more
  2. What is the criteria/limit for impuritiy recov...read more
  3. How to decide the sink condit...read more

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Dr. Reddy's Research Scientist Interview Process

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