I'm the owner of ground and first floor of a four storey building measuring 300 sq yards in delhi (o

I'm the owner of ground and first floor of a four storey building measuring 300 sq yards in delhi (old construction)nWe have 50% uds on plot of land with the second and third floor ownersnThe second and the third floor owners have 50% unspecified undivided share on plot of land with roof rightsnnThey claim that they have 50% right on The open space around the building including (the front and rear setback ) and they want to park their vehicles on the front setback and use it as driveway and need seperate way to access rear setback on ground floor as they have 50% uds on plot nnThe common area as per partition deed documents include only common entrance,passage and stairs between the ground first and second third floor ownersnnCan they legally claim the front and rear setbacks on the ground floor?