What is Article 142 that the Supreme Court used to quash FIRs against NEET protesters? | Explained

How expansive is the power it gives the Supreme Court? What are the limits?

NEW DELHI: Supreme Court on Tuesday invoked its special powers and quashed all FIRs registered against student protesters in different parts of the country during the NEET paper leak protests.The bench of Chief Justice of India Surya Kant, Justice Joymalya Bagchi and Justice V Mohana said the order had been passed in v