Transport between India and Bangladesh two governments moved slowly on implementing a 1980 agreement on improving transport links. In the 1990s, the Indian and Bangladeshi governments collaborated to open bus services between Kolkata, the capital of West Bengal and one of the largest cities in India, and Dhaka, the capital and largest city of Bangladesh. In 2001, another bus service was launched to connect Dhaka with Agartala, the capital of the Indian state of Tripura the second largest city of Northeast India that borders Bangladesh in the east. Since the 1980s, the Indian and Bangladeshi governments have sought to negotiate an agreement permitting commercial vehicles
Geography of West Bengal delta is the largest mangrove forest in the world. It lies at the mouth of the Ganges and is spread across areas of Bangladesh and West Bengal, India. The Bangladeshi and Indian portions of the jungle are listed in the UNESCO world heritage list separately as the Sundarbans and Sundarbans National Park respectively, though they are parts of the same forest. The Sundarbans are intersected by a complex network of tidal waterways, mudflats and small islands of salt-tolerant mangrove forests, and presents an excellent example of ongoing ecological processes. The area is known for its wide range of fauna. The