1) you will have to execute gift deed in favour of your wife for transfer of property in her name
2) obtain nOC from society for transfer of flat
3) gift deed should be duly stamped and regd
4) you have to pay stamp duty on transfer of flat
5)vide the Maharashtra Stamp (Amendment) Act, 2015, which came into effect from 24 April 2015, it has been provided that if residential and agricultural property is gifted to a husband, wife, son, daughter, grandson, grand-daughter or wife of deceased son, duty chargeable shall be Rs.200 only.
6) registration charges would be around Rs 30,000
7) it is better you come down to india for said purpose
8) you can execute POA fr transfer of property in favour of a relative . it has to be attested before indian consulate and registered in indi