New Delhi, 31 MarchA liberalized and simplified visa regime comes into force from Saturday, April 1, which the government hopes would make travel to India, particularly for business, tourism and medical purposes, easier.The union cabinet had approved the changes in India's visa regime at its meeting on November 30, with the objective of making India an attractive destination for foreign direct investment and portfolio investment, and also boost earnings from tourism, medical tourism and exports.The cabinet had liberalized the e-Visa scheme, tourist, business, medical and employment visas and suggested introduction of new categories of visas such as 'intern visa' and 'film visa'.With effect from Saturday, e-visa stands sub divided into three categories - e-tourist visa, e-business visa and e-medical visa.The e-visa facility has been extended to nationals of 161 countries for entry through 24 airports, from the earlier 16 airports. Entry will also be allowed at three seaports - Cochin, .