1) The Maharashtra government has amended the stamp duty on gift deed (Article 34) from Rs200 to 3% of Market value of property on 7 September 2017 vide Maharashtra Stmp (Second Amendment) Act, 2017 (Mah. Act No. LIX of 2017).
2) The registration fees continue to remain the same (i.e Rs10,000-/-) per gift deed.
3) Any gift deed by Son In Law to Mother in law will attract normal stamp duty(5% of market value of property).
Option 1- Initially you transferring the share of your husband to your name and subsequently transferring the entire flat to your mothers name.
I) Considering the above and assuming the market value of property is Rs10,00,000-/-,
a) and your husband share is 50%, then on the transfer of your husband's share through gift deed, the stamp duty payable will be Rs15000 and Registration charges will be Rs10000-/-.
b) Total of stamp duty and Registration charges will be Rs25,000-/-
II) Now that you are the sole owner (subsequent to transfer of Your husband share to your name) and you wish to gift the entire property to your mother.
a) Market value of the property : Rs10,00,000-/-(Assumption)
b) Stamp duty: Rs30,000-/-
c) Registration fees: Rs10,000-/-
d) Total of stamp duty and Registration charges Will be Rs40,000-/-
Total cost per Option I = 40000+25000=65000
I) Both of you executing a gift deed in favour of your mother by paying 5% stamp duty (normal stamp duty)
a) Market value of Property =Rs10,00,000-/-
b) Stamp duty = Rs50,000-/-
c) Registration fees= Rs10,000-/-
Total of Option II= Rs60,000-/-
Hope this information is useful.