India, Dec. 26 -- Dense fog, toxic smog and the IMD's orange alert over Delhi's persistently low visibility have returned with a familiar warning: drive safe, or don't drive at all.

The risks are already playing out on the roads. Just days ago, dense fog on the Delhi-Mumbai Expressway triggered a major pile-up near Raniyala Patakpur village involving over 15 vehicles, while another collision in Faridabad claimed two lives. Amid this haze, good Samaritans are stepping in to make the city's roads safer, one reflective strip at a time.

"During peak fog hours, we run initiatives like Reflective Gurugram, where we identify risky objects such as dividers, curb stones and barriers, and mark them with reflective tape so they're visible to drive...