She has readied a protest letter that would be addressed to different governments and international organisations to complain that the dam would deny Bangladesh its share of river water and have adverse effect on its ecology.

The BNP has joined protests by a section of environmentalists and NGOs and there have been rallies outside the Indian High Commission office in downtown Dhaka.

During its six-day trip to India, the 10-member Bangladeshi delegation is scheduled to spend a day in Manipur from where they will fly to the project site by helicopter.

India plans to construct a multi-purpose dam on the river Barak to generate 1,500 megawatts electricity and prevent monsoon floods.

Part of the Brahmaputra river system that flows from China, Barak river passes through India before flowing into Bangladesh to form Surma and Kushiara rivers that eventually merge into Meghna.

Prime Ministers Sheikh Hasina and Manmohan Singh have agreed to resolve the issue by talks during their meeting in Egypt.