Reportedly, Khan who won by a margin of 78,047 votes, did not address a public rally or held a single roadshow as he was barred from entering Bankura by Kolkata High Court, in connection with criminal cases. He is facing four criminal cases at present.
The ruling TMC has won 22 out of 42 Lok Sabha constituencies in the state.
The Mamata Banerjee-led party had won 34 parliamentary seats in West Bengal in the 2014 general elections.
BJP has made huge strides in the state by garnering 18 seats, 16 more than it had bagged in the 2014 polls. While Congress has managed to win just two seats, the Left parties drew a blank.
The poll watchdog had curtailed campaigning by a day ahead of the May 19 elections in nine constituencies in the state after violence marred BJP president Amit Shah's roadshow in Kolkata on May 14.