A 22-year old man from Bihar was chopped to death allegedly by three people, including a couple after they didn't get the ransom they had demanded from his mother, police said on Wednesdsay.

Navin Kumar Patel (23) and his wife Sasikala (22), also from Bihar and residing for the last six months, were working in dyeing factory. They befriended Nitish Kumar (22) from Dindigul while they were returning to Erode from the northern state, the police said.