Wife wants to add name of daughter in Sale Deed of flat

My wife purchased a new 2 BHK flat in 20 lacs, on her name from a builder in Bhopal. So far Sale Deed of the flat is unregistered ,but it has to be registeted within this week. We have only one married,housewife daughter,who has small taxable income from business of her husband and filing I.T.returns from many years.My wife wants to add her name as Joint Owner of the flat in the Sale Deed (Builder is agree for it)and she wants that the daughter should be absolute owner of the flat , after her death.I also want it.She does not want to write Will for flat in favour of daughter .She wants to let out the flat and the tenant to deposit rent in the bank account of daughter every month.I request all Property Law and Taxation Experts to guide me suitably and give their best advices and suggestions,including some Specific words to be added in the draft of Sale Deed , to be registerein Joint names of Wife and Daughter.