As per the traffic rules -
1. No hazard lights !!
2. Only fog light with low beam headlights ON,
3. No tail gating and must keep distance of atleast 3 cars,
4. Slow your speed and if very low visibility pull over ur car with hazard lights on and far away from the edge of road.
5. Clean you windscreen with wipers & ensure there is water full in the wiper water tank of ur car