New Delhi, Apr 24 (ANI): Referring to the "morphed" picture, General Secretary of the Communist Party of India (Marxist) Prakash Karat on Sunday said that TMC has resorted to low level tactics. He added that a FIR has been lodged against the TMC at cyber police cell in the national capital. After the BJP and Left threatened legal action against TMC spokesperson Derek O’Brien for showing a "morphed" picture of Prakash Karat and Rajnath Singh to prove closeness between the two parties, CPI leader D. Raja on Sunday said the episode proves the party led by West Bengal Chief Minister Mamata Banerjee is desperate and afraid of defeat in the assembly polls.