A married couple and one more person have been booked in Mira Road in Thane district for allegedly cheating a woman of Rs 74.46 lakh, police said.

After befriending the woman, the couple had sought Rs two lakh from the victim to go to Canada, and then lured her into investing money in the diamond business, an official said. "The three promised high returns to the woman claiming they knew the diamond business well and had contacts.