According to preliminary forensic investigations, the bomb contained rusted ball bearings, iron pellets and balls, and broken, sharp pieces of metal sheets. “About 2-3 kg of explosives seem to have been used,” said state forensic expert Dhananjay Mohite who inspected the scene of the incident.
Police also said that the number plate of the motorbike belonged to a vehicle which had been sold two years back, the engine and the main frame were from different vehicles. This, experts believed, may have been done to prevent police from tracing the chassis number of the vehicle.