The GJM leader could not come to the Hills as the police had cordoned off the entire Bagdogra airport following which he has postponed his plans to return.
Gurung's assertion comes in the face of claims by main political parties in the region - the BJP and the TMC - that the statehood demand is not a political issue in the upcoming Lok Sabha election.
Tamang accused BJP of trying to fool the people of Bengal hills and create unrest in the region by bringing up the name of Bimal Gurung.
Ousted Gorkha Janamukti Morcha leader Binay Tamang on Thursday asserted that the fight for Gorkhaland state would continue but appealed for withdrawal of the three-month-old shutdown.
The blast took place on the 69th day of the indefinite shutdown called by the Gorkha Janamukti Morcha, which has demand a separate Gorkhaland state be carved out of the north Bengal hills.
Although no incidents of violence were reported since last night, the police and security personnel have made special security arrangements in the hills.
12 activists of GJM's youth wing, the Yuva Morcha, are observing a fast-unto-death over the demand for Gorkhaland, since July 21.
The Gorkha Janamukti Morcha has given a ten-day deadline to the Centre to intervene in the Gorkhaland statehood stir as the indefinite shutdown in the hills entered its 47th day today.
The Gorkha Janamukti Morcha (GJM) today ruled out any discussion with West Bengal government but said it is "comfortable" in holding talks with the BJP-led government at the Centre.