Difference in between illegal appointment and irregular appointment have been discussed in the judgment in the case of State of Karnataka & others – vs- M.L.Kesari & others , reported in (2010) 9 SCC 247, wherein the Hon’ble Apex Court while taking into consideration the ratio of the judgment rendered in the case of Umadevi-3 has discussed the difference in between illegal appointment and irregular appointment. According to the said judgment, if process in making appointment have not been followed, such appointment will be said to be irregular but if the workers have been appointed without any post having sanctioned or not eligible to hold the post, such type of appointment is said to be illegal. The Apex Court in the judgment rendered in the case of State of Karnataka & others –vsM.L.Kesari & others (supra) has clarified the position by directing the State Government to regularize such irregular appointment by completing exercise in its entirety.