ED conducts searches against arrested Delhi Minister Satyendar Jain in money laundering case, say officials.
West Bengal shares an over 2,216-km-long international boundary with Bangladesh.
The questioning lasted for over six hours on Wednesday and Channi left ED's zonal office in Jalandhar late on Wednesday night.
The Income Tax Department is also investigating the National Stock Exchange co-location case.
Voting for Punjab's 117 assembly seats will be held on February 20 and the counting of votes will take place on March 10.
Channi will fight the February 20 state assembly polls from the Chamkaur Sahib seat.
Punjab CM Channi alleged that BJP deploys agencies like the Enforcement Directorate (ED), Income Tax and others right ahead of the elections to corner...
