U cant appreciate any good things, statement of yours looks negative. Pls try and look at this differently
Elections are there every year in 1 or more states, there was polls in 2014, 2015, 2016, 2017, 2018 so u mean to say nothing should be done as polls are there.
Learn about GST and then talk, GST Council 50% power with centre and 50% power with states, so without states help centre cant do any changes.