A couple from Maharashtra`s Thane district was allegedly cheated of Rs 21.9 lakh by cyber fraudsters who lured them into indulging in share trading on a WhatsApp group, police said on Tuesday, reported news agency PTI.

The victims, who are residents of Badlapur, lost the sum within 11 days of joining a group called "Bull Market Guide Community" on WhatsApp in November, an official said.