00500nam a22001697a 4500 181768 181768 20211005163044.0 EN230921 9789390727735 256.00 McGraw Hill Ashok Kumar Challenges to internal security of India / by Ashok Kumar ; Vipul Anekant Chennai McGraw Hill 2021 5/90 A, Butt Road, St. Thomas Mount Chennai 600016 vp. 23cm(pbk) Anekant, Vipul ddc EN ASH