Recommendation of books

Refer Vinod Gupta Books with Study Material for Income Tax

Refer Munish Bhandari Books with Study Material for Company Law

for law refer padhukha & for i.tax refer T.n.manoharan 

Its better to follow 

Ready Rackner for Income tax 

and For Company Act- You may purchasse "Bare act - Company Act 2013"

This is ever best book from all of studies books as available in market.

for dt refer summary module of vinod gupta sir, otherwise one may not complete the syllabus of dt.