Many airports from Bihar have been included in the tentative list of un-served and under-served airports under RCS:Arrah, Begusarai, Bettiah, Bhabua, Bhagalpur, Bhowrah, Bihar Shariff, Bihita, Birpur, Buxur, Chhapra, Dalbhundarh, Darbhaga, Dehri, Giridhi, Hathwa, Jehanabad, Jogbani, Katihar, Kishangang, Kursela, Madhubani, Monghyr, Motihari, Munger, Muzzafarpur, Naria, Panchanpur, Purnea, Raxaul, Safiabad and Saharsa.However, RCS-UDAN is a demand driven scheme where the interested airlines based on their assessment of demand on particular routes can submit proposals at the time of bidding under RCS from time to time.This information was given by the Minister of State for Civil Aviation Shri Jayant Sinha in written reply to a question in Rajya Sabha.