A taxonomic superclass of a diverse group of fish that have skeletons composed primarily of bone tissue. Supplement. Osteichthyes is taxonomic superclass of the phylum Chordata (chordates) and includes groups of fish that have skeletons mainly composed of bone tissues.
Bagdogra Airport, (IATA: IXB, ICAO: VEBD) is located in about 16 km (9.9 mi) west of the city of Siliguri in the Darjeeling district in northern West Bengal, India. It is operated as a civil enclave at AFS Bagdogra of the Indian Air Force.
Geography, population and climate. Geography. The Ganges-Brahmaputra-Meghna (GBM) river basin is a transboundary river basin with a total area of just over 1.7 million km 2, distributed between India (64 percent), China (18 percent), Nepal (9 percent), Bangladesh (7 percent) and Bhutan (3 percent) (Table 1).t has been estimated that the Ganges river basin in India and Nepal has an annual groundwater yield of 108.5 km 3, while the Brahmaputra river basin in Assam (India) has a yield potential of 10.7 km 3. Compared to India, groundwater recharge potential is lower in Bangladesh, estimated at 21 km 3 /year.