Hello Sir,
Yes,you can invest capital gain any type of residential property be it a resale flats of new flats to claim exemption.
Yes, It is advisable to invest the capital gains for buying flats in joint names with your wife.
An important benefit of co-owning a property is increased loan eligibility.
Co-owners of the property can easily claim income tax deduction benefits on both - principal and interest amount. As per Section 80C, co-applicants can avail a benefit of minimum Rs 1.5 lakh a year on principal amount and up to Rs 2 lakh on the interest paid. If all the co-applicants are contributing to the EMIs, tax benefits can be availed by all of them. Overall, a jointly granted home loan allows co-owners to avail multiple tax benefits from a single loan.