From the company Facebook page.
Tigerair aircraft TR2638 which departed Changi Airport for Chennai today at 2046hrs (local time), has encountered a technical problem shortly after take off. The plane landed safely back at Changi Airport at 2320hrs (local time). All pax will be scheduled to depart for Chennai on the next available flight.
Safety is of utmost importance to Tigerair and we will be holding investigations on this issue.