What is a Presidential reference? | Explained

What does Article 143 of the Constitution state? Do other nations also have provisions wherein the government can raise legal questions with their respective judiciaries? What has President Droupadi Murmu raised with the Supreme Court? Should the top court answer these questions compulsorily?

​What does Article 143 of the Constitution state? Do other nations also have provisions wherein the government can raise legal questions with their respective judiciaries? What has President Droupadi Murmu raised with the Supreme Court? Should the top court answer these questions compulsorily?