Police caned protesters and imposed an indefinite curfew in Ratnagiri town in the Konkan region of Maharashtra as tension mounted Tuesday, a day after a local fisherman who was part of a mob rioting against the nuclear power project in Jaitapur, was shot dead by police. Tabrez Tehekar of Nate village was killed in the firing Monday afternoon. Police have said they had no option but to fire at the mob, which was trying to burn down the Nate police station, and could have looted weapons and ammunition. Fresh trouble started in Ratnagiri, the district headquarters about 450 km south of Mumbai, this morning. The Shiv Sena, which has been opposing the project, had called for a district bandh to protest Tehekar