hi,

see if you want to join defense you may apply for NDA , Indian army NCC cadet entry etc. however for degree course you have to choose a discipline in which you are interested for higher studies. there is B.A in defense studies of three years course. I have mentioned the list of college name which offers this course:

Guru Nanak College, chennai

Chhatrapati Shahu Ji Maharaj University

University of Lucknow

Chaudhary Charan Singh University

Hemwati nandan bahuguna garhwal University

Dayanand Anglo vaidik mahavidyaya

University of Allahabad

Jodhpur national University

Deen Dayala Upadhyay University

Hemchandracharya North University

DR. Bhim Rao Ambedkar University

Agra College

Bapu mahavidyalya