DT book

@ pavitra

look pavitra vinod gupta sir notes and modules are one and the same thing

T.N MANOHARAN 

nothing beats Paduka's DT book by G.Sekar Sir.

vinod gupta is the best

paduka with reference in vgsirs modules for assessment procedure in imp chapters

T.N. Manoharan

Notes and module of VG sir is a same.

For DT modules of vinod gupta sir r sufficient....