Faridkot: Punjab Vatavaran Chetna Lehar, which is spearheading its campaign appealing all political parties to incorporate the environment pollution into their election manifesto, on Saturday handed over a letter of its demand to Navjot Singh Sidhu,President of Punjab Pradesh Congress and Kunwar Vijay Pratap Singh, former IG Punjab police who is now contesting from Amritsar on AAP ticket.