India's National Securitry Challenges - Hardcoverby N. N. Vohra (Author) The Constitution of India provides that it shall be the duty of the Union to protect the states against internal disturbance and external aggression, and the states shall be responsible for maintaining police forces and securing public order. A large country, with nearly 23,000 km. of land and sea borders, India faces a host of internal, external and varied other serious security challenges. The contributors to this volume,