M/s Ansal API have increased the area from 1475 sq.ft to 1670 sq.ft and have delayed the project by about two years . M/s Ansal API charges 20 % interest in case of any default in the payments as demanded and paid after due dates but on the contrary there is no Clause for payment of any money in case of the defaults on their part . Thus M/s Ansal API are indulging in Unfair Trade Practices as for its own default they are not paying anything whereas charging exuberant rate of interest from the innocent flat buyers. The said clauses have been inserted with malafide intentions for cheating the buyers of the property in the said project.