Chhattisgarh Chief Minister Raman Singh resigned on Tuesday taking moral responsibility for the BJP's stunning defeat in Assembly elections.

He told the media that he had sent his resignation to the Governor.

"I take moral responsibility for the defeat," Raman Singh, who was Chief Minister for 15 years, said as it became clear that the Congress was headed for a thumping victory in the 90-member Assembly.

He said he would continue to serve the state while in the opposition ranks. - IANS