A Jodi flat, sometimes referred to as a "combined" or "paired" flat, is a residential unit that combines two or more adjacent apartments into a single living space. Jodi flats, as the name suggests, are a distinctive housing option where two adjacent apartments are merged to create a more expansive and unified living space.
However, though the two flats are merged, property tax etc will be charged by the authorities on both apartments, depending on the size of the apartments.
"In simple words, merging of two flats is possible and it is legally permissible. However, who needs to go and seek permission from the BMC depending on project to project. In case, it is a new project and the home buyer is going to move into a jodi apartment, the home buyer should ask the developer to take all the permission.
If it is an old society, the homeowner will require a no objection certificate (NOC) from the housing society. If the society is not formed, an NOC might be required from the developer. Additionally, a certificate from the structural auditor that the merging of two or more flats will not affect the structural stability of the building is needed."