As flow of funds for Kudankulam nuclear power plant protests come under scanner, a whopping Rs 30 lakh transfer from London to the bank account of a woman, whose husband is linked to the stir, has led to suspicions prompting police to file a case against her.

The case against Ambika under Sec 102 CrPC has been registered by police after a branch of Canara bank here reported the transfer of Rs 29,98,782 into her savings bank account, Police said today.