How has the Congress party changed in the last 30 years? Still headed by a Gandhi or a person remote controlled by the Gandhi family. Their pm candidate Rahul's best qualification is being born a Gandhi. We all know how smart he is. The last vote to choose the party president was heavily ridden by loyalty votes rather than people voting on competency.
You can find differences just as well you can find similarities. The Modi party btw is not some revolutionary departure from classic Indian politics either.
We are talking about grey stuff and you claim to see black and white things. There’s no way I or anyone else can convince you otherwise