bnk70 Member Member since May 17, 2011 Last active May 17, 2011 Total activities 0 Activity feed Recent contributions #Threads 14 years ago 7367d421-6952-4121-b543-fb897186bb14 Gk publication materials & galgotia publication books are useful for all competitive exams............. #Threads 14 years ago ac9958c8-dfa6-4d05-b2aa-bf0dc3c5efbc details about cdac course details..........