Complex sentence: The future Museum is proposed to cost about 10 crore rupees spread across an area of 100,000 square feet and will house 70 exhibitions with state of the art research and archival facilities.
Split into simpler sentences: The future Museum is proposed to cost about 10 crore rupees. It is proposed to be of 100,000 square feet, and will house 70 exhibitions with state of the art research and archival facilities.