Petition under Article 226 ot the Constitution of India praying that in the circumstances stated in the affidavit filed therewith, the High Court may be pleased to issue a Writ, order or direction, more particularly one in the nature of Writ of Mandamus, declaring that the action of the 3rd respondent, in issuing the Office Order No. 1084/A3/ESTT/TSIRD/2016, dated 30.03.2021, keeping the petitioner-firm in block list for a period of 5 years, without giving notice or an opportunity to the petitioner to represent its case, unilaterally cancelling the agreement dated 18.11.2019, with effect from 01.04.2021, as illegal, arbitrary, contrary to the terms and conditions of the Agreementv executed by the 4th respondent with the petitioner-firm, violative of principles of natural justice, violative of Articles 14 and 21 of the constitution of lndia and set aside the same, by holding that the petitioner is eligible and entitled to continue service of sri sai Krupa catering and Maintenance Services, as per the Agreement dated 18.1 1.2019.