text: main soch rahi thi,agar hum ghar ke lights ko energy-efficient bulbs se replace karein toh kya hoga, kya tumhe pata hai kitna fayda hoga?haan, suna hai yaar, na sirf bill kam hoga, balki bulbs ki life bhi badh jaayegi, aur yeh environment ke liye bhi acha hai, chalo shuru karte hain!