Kishangarh, Sep 21 (ANI): Prime Minister Manmohan Singh on Saturday laid the foundation stone of the Kishangarh Airport in Ajmer district of Rajasthan. Singh, hailed the efforts made by the civil aviation ministry for developing airport networks with an aim to connect small cities by air. He further added that the priority of the central government is to develop the basic layout of the airports. Singh also said that there was a need to develop airports with an aim to meet the increasing needs of air traffic.