Delay in delivery of possession in a building is one of the most commonly faced and frustrating problems for a property buyer. Please remember that before you take any action, it is always advisable to send a legal notice to the opposite side giving them a chance to respond. Once a legal notice is sent, the builder may take action to solve the problem, and you can save the needless time and expense involved in going to court.
a. You can ask for a refund. If the builder delays the completion of the construction beyond the stipulated time, you are entitled as a property buyer to seek a refund from the builder.
b. If you are buying the property for personal use, you can file a case in the consumer dispute redressal forum