@Tornado
If TML had given reliable suspension setup we can go for 195/55R16 but this OE suspension is not capable
If TML had given reliable suspension setup we can go for 195/55R16 but this OE suspension is not capable

Corrosion problem is really worrisome .Now what is the solution for it .?
I haven't came across corrosion spots in my car, might be because of dry weather inv Pune.
Weather in your city must be humid .But Tatas needed to take care of all types of weather.