Omaxe — possession of flat in new chandigarh (the lake)

I had booked a flat in 'the lake capean d' project in mullanpur in 2015 and i was told that i would get the possession by june, 2018. It has been two years past that date and still the flooring process has not been completed. Whenever we call, we are told to wait for 3-4 months for the possession