PM Modi to launch âUDANâ scheme today to boost regional connectivity with low-cost flights PM Modi to launch âUDANâ scheme today to boost regional connectivity with low-cost flights UDAN (âUde Desh Ka Aam Naagrikâ) Is A First-of-its-kind Scheme Globally To Stimulate Regional Connectivity Through A Market-based Mechanism, The PMO Said In A Tweet. PTI | Updated on: 27 Apr 2017, 12:21:33 AM New Delhi: Prime Minister Narendra Modi is going to launch the âUDANâ scheme on Thursday which is aimed at boosting regional connectivity with low-cost flights. He will flag off a flight on Shimla-Delhi sector as also on Kadapa-Hyderabad and the Nanded-Hyderabad sectors, the PMO said on Wednesday.