India shares long land borders with seven countries- Pakistan, China, Nepal, Bhutan, Bangladesh, Myanmar, and Afghanistan-and maritime borders with Shri Lanka and Maldives, with Bangladesh having the longest, and Afghanistan the shortest, while also having maritime borders with Thailand & Indonesia. Key land boundaries include the Radcliffe Line (Pakistan), McMahon Line (China), and Sir Creek (Pakistan), alongside maritime boundaries defined by Palk Strait. Land Borders & Key Features Bangladesh: Longest border (4,096.7 km) touching West Bengal, Assam, Meghalaya, Tripura, Mizoram. China: 3,488 km along Ladakh, Himachal Pradesh, Uttarakhand, Sikkim, Arunachal Pradesh (partially disputed, known as Line of Actual Control - LAC). Pakistan: 3,323 km (Radcliffe Line), touching Gujarat, Rajasthan, Punjab, J&K, Ladakh; includes disputed Sir Creek. Nepal: 1,751 km (open border), touching Uttarakhand, UP, Bihar, West Bengal, Sikkim. Myanmar: 1,643 km (fenced), touching Arunachal Pradesh, Nagaland, Manipur, Mizoram. Bhutan: 699 km, touching Sikkim, West Bengal, Assam, Arunachal Pradesh. Afghanistan: Shortest (106 km) in Ladakh via the Wakhan Corridor. Maritime Borders Sri Lanka: Separated by Palk Strait & Gulf of Mannar (maritime). Maldives: In the Arabian Sea (maritime). Thailand & Indonesia: Maritime borders via Andaman & Nicobar Islands. Management & Security India's Ministry of Home Affairs manages borders, building infrastructure like fences, roads, and Integrated Check Posts (ICPs). Fencing is extensive on Pakistan and Bangladesh borders, with ongoing efforts on the Myanmar border to curb smuggling and infiltration. These borders span diverse terrains, from the Himalayas in the north to the eastern plains, with Bangladesh having the longest stretch and Afghanistan the shortest. The People's Republic of China (PRC) shares land borders with 14 countries (tied with Russia for the most in the world): North Korea, Russia, Mongolia, Kazakhstan, Kyrgyzstan, Tajikistan, Afghanistan, Pakistan, India, Nepal, Bhutan, Myanmar, Laos, and Vietnam, and with two Special administrative regions of China, Hong