Science&Technology(ISRO).ವಿಜ್ಞಾನ&ತಂತ್ರಜ್ಞಾನ(ಇಸ್ರೋ) By Dr.KM Suresh,Chief Editor, Spardha Vijetha, 

Differance Between Science&Technology, History of World Space Reasearch,History Of Indian Space reasearch,Indian Space Reasearch Organisation(ISRO), Differance Between Rockets like SLV, ASLV, PSLV, GSLV, Dr. Vikram Ambalal Sarabhai, A. P. J. Abdul Kalam, For all competetive exams, For IAS/UPSC/KPSC/KAS/PSI/PDO/FDA/SDA/PC