Group Captain Varun Singh, the sole survivor of the IAF chopper crash on Wednesday, has suffered 45 per cent burn injuries and is under treatment, as per sources. His condition is critical but his vitals are stable, they said.

In a helicopter crash in Tamil Nadu's Coonoor on Wednesday, Chief of Defence Staff General Bipin Rawat and 12 others -- including his wife Madhulika and 11 armed forces personnel -- lost their lives. There were fourteen people on board. Group Captain Varun Singh was the only one who survived.