Yes, we need to eliminate caste discrimination, and one of the ways to do that is to stop seeing caste everywhere, even when there is no reason to do so.
You perhaps are unaware of the contempt Mr. Nehru had for Hinduism.
You also seem to be unaware that Article 370 was not something that was arranged between Mr. Hari Singh and Mr. Nehru, but it was something that was insisted upon by Sheikh Abdullah, and surprise, Mr. Sardar Patel also, for his own reasons, extended support to it.
Please google history of article 370.
I am guessing that you are a follower of Mr. EVR, and so cannot miss any opportunity to comment against those Parpanaars and Paapadis. I request you to overcome that sort of thinking.