A. It is incumbent on bldr to honour DA
B. Flat is given in lieu of old with addl place hence can transfer provided there is no adverse clause in DA
C. I) DA should be regd
II) Org.Share cert.DA agreet copy Old flat Agreement n also Maint.paid Receipts to be kept safe.
Upon registration of DA, the Developer shall execute and register the Individual Agreement with every member of the society. In the said Agreement, you can decide the terms and conditions between you and the builder.
Now, the additional area agreed to be provided by the builder has already been stipulated under the DA but you can specifically set out your terms and conditions under individual agreement.
Further, ensure that builder will register the Individual Agreement with you in order to avoid future risk.