What was held in the case of Golak Nath v. State of Punjab ?

In Golak Nath   v. State of Punjab, the Supreme Court overruling its earlier decision in Shankari Prasad and Sajjan Singh, that the Fundamental Rights are non-amendable through the constitutional amending procedure set out in Article 368, while the minority upheld the line of reasoning adopted by the Court in the two earlier cases.