Reclaimed wood ,use pallets you could take apart and nail them up .Could be free if you look on Craig's list for free pallets

Hi Rishab, You can avoid creating 4" false ceiling and create 1.5 / 2" false ceilings just to let the wires hide and run within the false ceiling. I will not recommend conduits or exposee ceiling unless you wish to do a rustic interior design. You can go for Surface mounted lights and track lights. They are beautiful and are available in different shapes and sizes too.

Hello Naisu, You should contact a fabricator for the same as it depends on the market cost of the material and the charges of the fabricator. But the square pipes need to be of good quality and better gauge then only it will sustain the weight of this book shelf.

yes two fan, but yet not decided on design of living area, sheet work going to start soon, framing is already done 5' below RCC, tow points for fan and one point in between them for chandelier. pl suggest few good designs