The boat was probably washed away due to rising water level in River Ravi in Pathankot sector, the BSF said.
The Indian Coast Guard has seized 1,500 kg of heroin.
The Coast Guard has deployed ships and aircraft to enhance surveillance and vigil along the coast amidst tensions between Pakistan and India.
The court also imposed a fine of Rs 1 lakh each on the six persons sentenced to 20-year imprisonment, out of the eight crew members who were on board the merchant vessel 'Henry'.