text: Sun, kya tumhe pata hai ki ghar ke lights ko LED bulbs se badalne se kitni energy bachegi? Yeh toh ek simple change hai jo bada impact dal sakta hai!Bilkul! Aur agar hum unhe switch off karne ki aadat dal lein jab zarurat na ho, toh aur bhi zyada bacha sakte hain, yeh habit zaroori hai!