"We have given entire files relating to the Talabira coal block to the CBI. We have taken a receipt from them and told them that any information needed further will be provided," a source told IANS.

The probe agency had Tuesday named Hindalco along with Aditya Birla Group chairman Kumar Mangalam Birla and former coal secretary P.C. Parakh in its 14th FIR in the allocation of coal blocks.