The parents of 25-year-old S Achudev, one of the two Indian Air Force pilots killed in the Sukhoi-30 crash in Assam on May 23 have revealed in their complaint to the Prime Minister and the President of India that the IAF had sent an empty coffin to the family under the pretext of sending the body of the deceased, reported Malayalam newspaper Mathrubhumi. In their complaint submitted through Member of Parliament from Kerala, A Sampath, Flight Lieutenant Achudev’s parents have also alleged ‘mystery’ in the missing of the aircraft.