Shastri, who resigned after the Ariyalur derailment, had close ties with T.N.

What is known is that K. Kamaraj played a crucial role in getting Shastri elected as the Prime Minister. But it was Shastri who mediated between Tamil Nadu and Andhra Pradesh as they fought over a plant to be put up by BHEL. He split the project into two and allotted the boiler plant to Tamil Nadu and the other one to Andhra Pradesh