Please do your thorough research on this builder both from the market and real estate agents and also from googling. There are a lot of issues about the way people have written about how they have been cheated .
There are lots of issues and some pending in courts. So you may want to do a thorough research on the project and builder before you want to commit.
Lots of forums online have contact details with whom you would want to contact. Please be aware of the builders reputation and the way they deal with customers and clients
Best Wishes