what steps have been initiated by the government to improve the market system?

The answer to your question is already covered in our study material. Follow the given link and scroll down to the topic 'Measures adopted by the government' to view the same.

https://www.meritnation.com/cbse/class11-commerce/studymaterial/economics/indian-economic-development/unit-iiirural-development/442_2488_6391#slide3_agricultural-marketing-system-measures-initiated-by-the-government