The man had completed his BE (Aeronautical) and was working part time in a private college in Erode district.
He had paid Rs seven lakh to a consultant who had promised him a job in Australia, which never materialised.
"As he failed to get a job and a refund of the money, the man decided to end his life and sent a message to his friend to collect his body from Sengalipalayam village," police said.
When his friend reached the spot, he found the man's charred body and informed police, who sent it for post-mortem. at Government hospital here, they said.
A case under section 174 CrPC (unnatural death) and further investigation is on.