Shelves/Wardrobes:
can be of plywood n laminate. it could be both sides laminate or only on the front. or veneer. there will be variation in cost accordingly. u can also have glss shutters. Approx cost range 1000/- t 1200/- per sq.ft.
Doors:
I seriously think all the doors should be replaced. Also give a thought abt the tiling n sanitary fittings in the toilets.

I hope this answers ur queries. I would also like to know about my role in the project, regarding the design , execution,.........