Purchased an apartment in Lotus Boulevard which wa...

Purchased an apartment in Lotus Boulevard which was due to be delivered in July 2012.
Got a completion confirmation for the apartment in July 2014.
The final installment as per builder / buyer agreement was 2.3 lacs.. Now I received a demand for 5.5 lacs...
Mails seeking details are yet to be responded afetr 2 reminders already sent...
Feel truly harrased & cheated and let down