Hi.
Yes we have the ocen of the knowledge in cs coures its upon us from where we are acquiring it. the best means are economic news paper. here some refernce books which helps more for executive student.
1) GCl= S.S. Gulsan
2)Acc= Modlue is the best see each illustraion
3) Tax= Girish Ahuja and Ravi Gupta Systematic study on Direct tax special for CS
4)Co law= our module is the best if you r interested in aquiring knowledge rather to mere pass the exam
5)Eco & Lab. laws= Prepare book from the module of the quetion given at the end of each chapter it will help you lot rather to resort othe refernce book. and also see the Scanner for case stdy.
6) securities law= prepare as above sub 5.
Keep aware yourself with current event in respected sub. from news paper it will help you lot.
I m not refering any other refernce book because Paper setter will asked only from the core area of our modul so For group to please read Our Module, its my experience i didi this and pase my both group in onego. it
Thanks All the best for Preparation.