If you are scared to death in Thiruvananthapuram, then a grand world awaits you in the rest of the country! Some trucks with very dim lights think that it is a bright idea to drive in the opposite direction at night.
It is not entirely fair to blame them - the "U-turns" provided in the highway are so tight that it might cause the truck to overturn - so they think it is worth the risk to go 2km in the other direction and then merge with traffic going in the right way.
I tried to drive in India on the highway after 15+ years living in the US. The highway was mostly empty, I was beginning to gain confidence and upped the speed (barely close to what I'm used to driving here). Out of nowhere, a truck came hurtling down in the opposite direction on the exact lane I was driving in. Had I not been alert, my entire family would have been decimated. Immediately handed the wheel back to my FIL.
It is not entirely fair to blame them - the "U-turns" provided in the highway are so tight that it might cause the truck to overturn - so they think it is worth the risk to go 2km in the other direction and then merge with traffic going in the right way.