why was tawa matsya sangh organised ??

tawa matasya sangh was organised because the people of villages near the tawa reservoir was not able to earn their livelihood. their livelihood has been stop by the government because their is a dam built on this reservoir and they had to shift from this place to other. those who don`t want to go were forcibly get threat and that why they have to fight against the government for thir rights of fishing on the bank of river tawa.