1. this is possible
2. in the sanctioned building plans, the society building will be reflecting particular number of flats
3. as the split will result into 2 flats, the building plans will need to be amended
4. the amendment application can be made by an architect and submitted to BMC building proposal department
5. once the amendment is approved by BMC, an application can then be made to assessment and collection department of BMC to assess the two separated flats individually for property taxes and pass assessment order
6. you can then submit amendment order and assessment order to your society
6.a. alongwith the above all the members of HUF will have to execute a Deed of Partition for this particular flat wherein the HUF property will be partitioned between respective members. This Deed of Partition also needs to be submitted to society
6.b. then as agreed in partition deed, the members/parties thereto will execute release deeds on 200 stamp paper in favour of the beneficiary member for each flat. The release deeds can be registered
6.b. society may also require you to issue a public notice in local newspapers to invite objections against the mutual partition of the flat
7. once all the documents as above are submitted, the society will then have to convene a GBM of society members to pass resolution on this matter
8. once resolution is passed by society, duly signed and stamped by MC, the resolution can then be forwarded to District Deputy Registrar of Co-operative Societies with an application by society to give permission to issue 2 separate share certificates for the 2 new separated flats
9. you will have to surrender the existing share certificate to society
10. once the registrar passes an order, the society can proceed to issue 2 separate share certificates for the 2 new separated flats
11. i suggest before following all the above steps, it would be prudent to first make an application to society with a request to separate the flat into two units and for issue of separate share certificate for each
12. if society approves of the same by passing necessary resolution then you can proceed to do the steps as above and incur expenses for the same
13. the registered release deeds and share certificates will constitute title documents for both the new units