Books

Both are really good books. If you have covered the subject thoroughly and need to practice problems, then you can think of buying Problems and Solution book written by A N Sridhar. It covers problems from various Indian and overseas professional bodies. 

Originally posted by : ugbata
	I personally liked Problems and Solution by A N Sridhar and it's easy to understand.

You can also try video lactures of J B Gupta (Published by Taxmann) for concept learning.