I collected some book name available in market for Sec A(Diploma) for your reference:
Fundamentals of Design and Manufacturing: R.S.Vaishwanar 165.00
Material Science and Engineering: I.P.Singh,Subhash Chander 150.00
Society and Environment: A.S.Chauhan 150.00
Computing and Informatics: Chandwani,Jain Chandwani 150.00
Hope that will help you.