India and Singapore on Tuesday signed an enhanced air services agreement, immediately raising airline seats by 10 per cent on each way in a response to growing passenger traffic between the two countries.A statement from Singapore's Transport Ministry said, as demand for air services between both countries continue to grow, the bilateral air services agreement was enhanced to include more capacity entitlements.The Ministry said, as part of the enhancement of the agreement, both countries also agreed to meet regularly to review air services matters.Civil Aviation Minister Ajit Singh and Singapore Transport Minister Liu Tuck Yew were present during the signing of the agreement. Singh, in Singapore from April 2 to 4, is leading Civil Aviation officials in talks with Singapore ministers and officials.The Air Services Agreement with India was first signed in 1968 and last updated in 2011. Currently, Singapore is linked by air services to 12 Indian cities, with 216 flights weekly between the two countries, making it the most connected destination in Southeast Asia.