Which of the following Public Sector Undertaking (PSU) has been granted the status of 'Maharatna' by the Government ?

Steel Authority of India Limited

The correct answer is option (3) : Steel Authority of India Limited

The Central Public Sector Enterprises are designated with different status. A few examples of Public enterprises with their status are as follows :

(i) Maharatnas - (a) Indian Oil Corporation Limited, and (b) Steel Authority of India Limited,

(ii) Navratnas - (a) Hindustan Aeronautics Limited, (b) Mahanagar Telephone Nigam Limited; and

(iii) Miniratnas - (a) Bharat Sanchar Nigam Limited ; (b) Airport Authority of India and (c) Indian Railway Catering and Tourism Corporation Limited.