One person was detained on Wednesday night by Jalpaiguri police in connection with the blast in two coaches of the Haldibari-New Jalpaiguri Passenger train.
Jalpaiguri Superintendent of Police Tripurari said here today that State Intelligence Bureau had picked up one Subodh Gain from Gatebazar near New Jalpaiguri under Bhaktinagar police station and handed him over to Jalpaiguri district police.
Tripurari said police has been interrogating Gain, suspected to have connection with the case. He said they were also interrogating 12 KLO imprisoned cadres.
A six-member team of Central Forensic &
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Science Lab, led by Dr Chandranath Banerjee, has been investigating into the blast.