The Centre on Thursday asked states to make rational use of medical oxygen and ensure there is no wastage while stressing that there is sufficient stock of oxygen in the country.

Besides, states have been asked to set up control rooms to ensure smooth supply of oxygen to the districts according to need, review requirement of cylinders, tankers etc. the ministry said in a statement.

A detailed daily mapping of sources for supply of medical oxygen to the affected states is under preparation to ensure uninterrupted oxygen supply, it said.