We find it difficult to accept the submission. As noted above, the two advertisements were issued by two different units. The first advertisement were issued by the Hindustan Aeronautics Ltd, Transport Aircraft Division, Kanpur while the second advertisement was issued by the Hindustan Aeronautics Ltd. Accessories Division, Lucknow. The undertaking given by the Managing Director before the Supreme Court which has been reproduced above was in connection with the post advertised by Hindustan Aeronautics Ltd., Transport Aircraft Division while the second advertisement that was assailed in the writ petition was issued by the Lucknow Division for different posts. The undertaking would not extend to the appointments to be made under the advertisement dated 25 January 2018 for engaging operators on tenure basis.