text: bilkul,aur suna hai ki kuch states mein government subsidies bhi milte hain, toh cost kam ho jaati hai, aur humara carbon footprint bhi reduce hota hai, ek stone, two birds!waah, yeh toh sahi hai, mujhe toh lagta hai ki agar hum yeh karte hain toh baad mein humein electricity ke liye zyada paise nahi dene padenge, kya pata kya aur milta hai!