Suggestion required regarding renovating an old house

Hi,
I have a house( 30x50) in g-10/1 sector and it was built in 1988. My mother is the owner of this house but now she is sick and we want to move to other sector where my other family members are living so that we all take care of her properly.
I want to renovate it first and then sell it.It has

On the ground floor:

-one car porch,
-big drawing/ dining room,
-two bedrooms with one attached washroom
- one room in the backyard with washroom

On the first floor:

-three bedrooms with two attach washrooms
-one store
-big terrace

I intend to do

- marble flooring ( both upper and ground floors)
- aluminium windows ( total 9 )
- main gate
-have both new kitchens fitted (each 8x10 approx),
- new stairs railing

Kindly, suggest me how much cost it will take.

Regards,