Chennai, Aug. 28 -- Three special teams have been formed to trace the suspects after the alleged murder of a 46-year-old woman whose body was found on the banks of a lake in Tamil Nadu's Tiruvallur district, police said on Friday.

The body of the woman was discovered by some youths on the banks of Vellakulam lake in Thottareddikuppam village in Uthukottai. They informed the Uthukottai police, who went to the spot and recovered the body and a smartphone that was lying nearby.

Initial investigations by Uthukottai police inspector Devaraj revealed that the perpetrators allegedly poured acid on the woman's face and sprinkled salt around it so that the body would not be identified, officers said.

A senior police officer said that the woman,...