the petitioner vide email dated 8.3.2017 (Annexure P-18) by the official agent of Siemens Germany. Since the tentative PDI of both the machines was for 20.5.2017, the petitioner vide letter dated 14.3.2017 (Annexure P- 19) again requested the respondents for sending the trial component which would be required to make a trial run. Before the expiry of extended delivery period, the petitioner vide letter dated 18.3.2017 (Annexure P-20) informed respondents No.3 to 5 about the completion of machine assembly and requested for approval of GA designs which was a pre-requisite for final trial run of the machine. Vide letters dated 29.3.2017, 10.4.2017 and 12.4.2017 (Annexure P-21 Colly), the petitioner informed the respondents about the receipt of the siemens component and the same was under assembly work and requested for approval of GA drawings, but to no effect. However, respondent No.2 vide order/letter dated 15.4.2017 (Annexure P- 22) cancelled the contract of the petitioner. The petitioner vide letters dated 18.4.2017, 24.4.2017, 26.4.2017, 3.5.2017 and 18.8.2017 (Annexures P-23 and P-24, respectively) requested respondents No.1 and 2 to revoke the order/letter dated 14.4.2017 (Annexure P-22) cancelling the supply order, but all in vain. Thereafter, respondent No.2 issue a show cause notice dated 23.9.2017 (Annexure P-25) to the petitioner as to why suitable action should not be taken against the firm. The petitioner replied the said show cause notice vide reply dated 5.10.2017 (Annexure P-26). However, respondent No.2 vide order dated 24.11.2017 (Annexure P-27) debarred the petitioner from participating in any tender enquiry of plant and machinery for a period of two years. Hence, the present writ petition. Upon notice of motion having been issued, the respondents filed a written statement controverting the averments made in the writ petition. It was pleaded therein