15. There is one other reason as to why I am not inclined to interfere qua the impugned order. The impugned order is revisable under two provisions viz., Section 21-A and Section 21 of TN HR & CE Act. Under Section 21-A a revision lies to the jurisdictional Joint Commissioner and under Section 21 a revision lies to the Commissioner of the TN HR & CE Dept., sitting at 119, Uthamar Gandhi Road, Nungambakkam, Chennai – 600 034. In other words, the Commissioner of TN HR & CE Dept., is the revisional authority. A careful perusal of Section 21 and Section 21-A of the Act makes it clear that out of the two legal routes available, when an entity or person seeking revision takes Section 21-A statutory route, Section 21 route will be obliterated. In the instant case, admittedly, the writ petitioner has not chosen either. Therefore, there is an alternate remedy and this is another reason why I refrain myself from interfering qua the impugned order. To be noted, no reason has been articulated in the writ affidavit as to why the alternate remedy has not been availed. On the contrary, there is an averment in paragraph No.8 of the writ affidavit which says that the writ petitioner is left with no other effective efficacious speedy remedy except to invoke the extraordinary jurisdiction of this Court. This is not happily worded as it reads as follows: