Ongoing investigations have also revealed that there were traces of gun powder, battery cells and wires meant to connect the device.
The possibility of ammonium nitrate being present in the explosive device has also not been ruled out. Police officials part of the probe say that the motive is not clear as yet. "We are exploring every possible angle, the officer noted. It may be recalled that the courts in Bihar too have witnessed similar incidents," officials said.
It was found after investigation that the bombs had been planted to cause a diversion so that it could facilitate the escape of an accused being produced before the court.
In another incident at Bihar it was found that the bomb had been planted by a litigant who did not get relief from the court.
On Monday an explosion took place near a court in Mysuru. A crude bomb was planted at a toilet near the court premises in Mysuru and a loud explosion took place at 4.15 PM. Two persons including a students sustained injuries.
The dog squad was pressed into service. The explosion was low intensity in nature. The walls of the toilet were damaged.