French aviation watchdog BEA said vertical separation between the two aircraft 'was zero feet' while the least horizontal separation between the two planes was reduced to just 0.6 NM.
Singapore-based airline SilkAir plans to launch thrice a week flights from Singapore to Coimbatore from October. The proposal is still subject to government approval.
The new name would not have the Tata or the SIA name, confirmed a spokesperson.
Announcing this on Monday, Foo Chai Woo, general manager-India, Singapore Airlines, said, "New flight additions will take our airline frequency to Bangalore to 10 flights a week. New flights to be operated will be the day-light (morning) flights.
Singapore Airlines will fly to Hyderabad four days a week from October 30, making the Andhra Pradesh capital its eighth destination in India.
Singaporean of Indian origin jailed for terror threat on flight
Apart from Delhi, Mumbai and Chennai, the codeshare agreement with Lufthansa will cover Ahmedabad, Bengaluru, Goa, Hyderabad, Kolkata, Kochi and Pune.
Phee Teik Yeoh, who has returned to the SIA HQ in Singapore worked hard to make Vistara the airline of choice. New CEO Leslie Thng would have the job of cutting losses while going international.
Tiger operates Airbus A320s and was set up by SIA and Singapore's national investment firm, Temasek Holdings, in 2004.
Checked-in baggage allowances would increase by 10 kg for all classes of travel.
Vistara Chief Executive Officer Phee Teik Yeoh is expected to meet the senior management of BA over the next few days to discuss the partnership.
Singapore Airlines has given new brand names to two carriers it controls - SilkAir (short-haul) and Scoot (low-cost, long-haul.
Asian and Middle Eastern airlines -- but no Indian names -- dominated the Top 10 slots at the World Airline Awards.