The garbage lining the sides of the track at Parsik tunnel. Pic /Shrikant Khuperkar

Kripya darwaze bandh kar le, Parsik Tunnel aa raha hai.” This might well be an announcement on the local trains that pass this Thane tunnel because there appears to be a rise in incidents of rubbish being flung into the compartments from adjoining slums when trains pass through. Now, with passengers commuting on the route on high alert, cops are attempting to trace the offenders. To that end, the Thane GRP has filed a complaint.