New Delhi-Minister of civil avition of India Hardeep Singh Puri said in a tweet that we can start regular international flights when our domestic traffic reaches about 50-60% & other countries open up to international traffic without present conditionalities. Once the situation evolves in that direction we will consider a calibrated opening. This was the reply of minister of civil avition of India Hardeep Singh Puri to many Indians who are asking to start regular international flights.