how to prepare second group

Doli Gupta (ca) (89 Points)

19 August 2010  

I ve got 140 marks in secong group.... this is my third attempt... i follow kalra sir book for fm & costing; it from dinesh madan sir;  tax from jain & girish ahuja sir......i dont know where i m lacking.....plz tel me how should i study n refer me book also......