Koshika Telecom yesterday launched its mobile PCOs on Uttar Pradesh (UP)-bound Delhi Transport Corporation (DTC) inter-state buses. The GSM mobile-based PCOs, will initially be available on routes to Dehradun, Kanpur, Lucknow and Nainital, a company press release said. The service was flagged off by Paryez Hashmi, minister for land and surface, government of Delhi. Koshika also operates its PCOs under its brand name YES-T-D PCOs' on board longdistance trains. c Technology upgrades domestic operations