2.It is stated that the petitioner-Hospital has applied before the Tamil Nadu Pollution Control Board for renewal of consent to operate under Section 21 of the AIR (Prevention and Control of Pollution) Act, 1981 as amended on 09.12.2013, Renewal of Consent Order No.18864, and proceedings No.TNPCB/BMWM/1109/CHN/RL/W/2013 under Section 21 of Air (Prevention and Control of Pollution) Act, 1974, Proceedings No.TNPCB/BMWM/1109/CHN/RL/A/2010 at S.F.No.357/2, 357/5, 351/1 & 358/1, New T.S.No.357/10, Egmore Village, Egmore – Nungambakkam Taluk, Chennai District. Further, the petitioner has applied vide Proc.No.TNPCB/BMWM/1109/CHN/RL/EXP/W/2010 to the respondent on 20.02.2013 and subsequently also vide IR No.F.CNH0070/RL/DEE/CHN/2013 on 22.07.2013. The Tamil Nadu Pollution Control Board has granted the consent under Section 21 of the AIR (Prevention and Control of Pollution) Act, 1981 (Central Act, 14 of 1981), authorizing the petitioner-hospital to operate the hospital in the Air Pollution Control Area as notified by the government to continue to make existing discharge of emission from the stacks/chimneys. This consent is valid to the period which ought to be ending on 31st March 2014, which is subject to the provisions of the acts and the rules. Subsequently, it was renewed. Thereafter, the petitioner submitted application for further renewal of the consent to operate under Air Act on 13.09.2017 to the third respondent along with a detailed affidavit and required documents and necessary fee of Rs.3,64,008/- for the period of 2017-2019. But, the 3rd respondent neither passed orders nor disposed of the petitioner's application dated 13.09.2017. Hence, the petitioner has come forward with the present writ petition for the relief as stated supra.