Are certain types of clothing restricted in the Indian Penal Code? If not why does the world keep reading about these kind of cases?

Judges, in some countries, have a lot of leeway, USA included. There have been similar cases in the US.

I have never been there yet from what I have heard, India is a religiously divided country. Part Muslim yet mostly Hindi depending on the provinces. I assume you know what Muslims are like.

A user that was banned a few years ago often talked about how strict the Muslim section of Bihar was. Northeast India.

I must not live in the world, because this is the first I've heard of this.