Is the Land a freehold property/ Land title is clear? How can I check this?

Yes. You can check on the government website by putting the Gut No/ or Survey number of the land.

How long will it take to build the home?

About 18-20 months After the commercials/contracts are signed on ?

How will the property be maintained through the years?

Options on Rental management can be discussed, which will allow a steady income to help in maintaining the property. 

Is there a power back up facility? Will there be uninterrupted power supply?

Yes, A dedicated DG set for each plot will be provided.

Will there be enough water?/ will there be a steady supply of water ?

There will be a centralised water supply system along with a central waterbody for rainwater storage of about 10 lac thousand liters .