A blast was heard on Friday at the Indian Navy base in Porbandar on the Gujarat coast.
According to Navy officials, the cause of the explosion was reported to be a firecracker that exploded near Porbandar naval base. Police and fire tenders have rushed to the spot.
The Navy had immediately commenced a search operation with the local police in the area.
A Pakistani boat was apprehended and nine crew members detained off the coast near Porbandar earlier this week.