The most quickest and easiest way to clean the wipers is to use the wash cloth and use wash soap. In this way you can clean the wipers, blades as well as underneath it.
The most important thing according to me is the tire. When you realize unexpected rain, you should make sure that the tire pressure is not too much. The pressure should be shuttle so that the tires are not slippery
It means any of the following things is gone bad in your car:
1. Fuel metering
2. Oxygen sensor
3. Ignition system
4. Vacuum leak
5. Fuel mixture
6. Emission control system
7. Air injection system
I am really pissed about it too. My wife travels in a metro. She was very upset about the same. Anyways the number of people traveling in metro never goes down, and not they increased the charges on top of it. Irritating!