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I applied via Company Website and was interviewed before Dec 2021. There were 2 interview rounds.
The coal & mining industry involves the extraction and processing of coal for various purposes.
Coal is a fossil fuel that is primarily used for electricity generation and industrial processes.
Mining involves the extraction of coal from underground or open-pit mines.
Coal mining can have significant environmental impacts, including air and water pollution, land degradation, and greenhouse gas emissions.
The coal industry ...
The price of coal in the Indian market varies based on factors such as demand, supply, quality, and government policies.
The price of coal in the Indian market is influenced by the demand and supply dynamics. If the demand for coal increases, the price tends to rise.
The quality of coal also plays a significant role in determining its price. Higher quality coal generally commands a higher price.
Government policies and re...
There are several types of coals based on their quality, including anthracite, bituminous, sub-bituminous, and lignite.
Anthracite coal is the highest quality coal with high carbon content and low moisture and volatile matter.
Bituminous coal is commonly used for electricity generation and has moderate carbon content and higher moisture and volatile matter compared to anthracite.
Sub-bituminous coal has lower carbon conte...
posted on 28 Jul 2021
I applied via Campus Placement and was interviewed before Jul 2020. There was 1 interview round.
Check if binary tree is balanced or not.
A balanced binary tree has the height of left and right subtrees differ by at most 1.
Recursively check the height of left and right subtrees and compare.
Use a helper function to calculate the height of a subtree.
Time complexity: O(nlogn) for a balanced tree, O(n^2) for a skewed tree.
Detect loops in a linked list.
Use two pointers, one moving at a faster pace than the other.
If there is a loop, the faster pointer will eventually catch up to the slower one.
To detect the start of the loop, reset one pointer to the head and move both pointers at the same pace.
posted on 10 Oct 2021
posted on 9 Oct 2021
I applied via Campus Placement and was interviewed before Oct 2020. There was 1 interview round.
posted on 7 Dec 2021
I applied via Campus Placement and was interviewed before Dec 2020. There were 3 interview rounds.
posted on 29 Jun 2015
posted on 29 Jun 2015
posted on 1 Apr 2021
posted on 1 Apr 2021
posted on 1 Apr 2021
based on 2 interviews
Interview experience
based on 22 reviews
Rating in categories
Assistant Manager
13
salaries
| ₹4.3 L/yr - ₹6.5 L/yr |
Senior Officer
5
salaries
| ₹4.1 L/yr - ₹5 L/yr |
Accounts Manager
5
salaries
| ₹6 L/yr - ₹10 L/yr |
Manager
5
salaries
| ₹7.5 L/yr - ₹9.5 L/yr |
Senior Associate
4
salaries
| ₹2.7 L/yr - ₹5.2 L/yr |
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