Chandigarh: The Pepsu Road Transport Corporation (PRTC) has started seven new Volvo buses from five cities of Punjab to Indira Gandhi International Airport, New Delhi. Transport Minister Aruna Chaudhary said this here on Sunday. These cities are Patiala, Jalandhar, Amritsar, Ludhiana and Hoshiarpur. Earlier, the PRTC Volvo buses just used to drop passengers at the airport. Now, these can pick up passengers as well. The service began on Jly 1. tns