Eastern South Asia region is bounded by Nepal, Sikkim, and Bhutan in the north, Bangladesh in the east, the Indian states of Uttar Pradesh and Chhattisgarh on the west, and the Indian state of Andhra Pradesh in the south. It is connected to the Seven Sister States of Northeast India by the narrow Siliguri Corridor. West Bengal is on the eastern bottleneck of India, stretching from the Himalayas in the north, to the Bay of Bengal in the south. The region lies in the humid-subtropical zone. The landlocked region of Northeast India includes the states of Assam, Arunachal Pradesh, Bihar, Mizoram, Manipur, Meghalaya,
Future of the Indian Air Force cargo load and rescue operations. The helicopter can operate from sea level to high altitudes of Himalayas. The DRDO of India is developing a Medium Altitude Long Endurance Unmanned Aerial Vehicle (UAV) called the Rustom(English: Warrior) for all three branches of the Indian Armed Forces. The Rustom will replace/supplement the Heron UAVs in service with the Indian armed forces. DRDO is also developing the AURA (Autonomous Unmanned Research Aircraft) which is an Unmanned Combat Air Vehicle (UCAV) for the Indian Air Force. The design work on the UCAV is carried out by Aeronautical Development Agency (ADE). The AURA UCAV will