Page No.# 101/105 to make all prayers in earlier writ petition. If one requires any authority on the point, reference may be made to case of State of Orissa Vs. Laxmi Narayan Das (Dead) through LRs, (2023) 0 INSC 619: (2023) 0 Supreme (SC) 629, and the case of M.J. Exporters Pvt. Ltd. Vs. Union of India & Ors., (2021) 13 SCC 343. It may also be stated that the previous set of litigations were filed to challenge the notice dated 26.06.2019. The government directives vide communication dated 29.05.2019 was mentioned in the said notice dated 26.06.2019. From the order dated 19.09.2019 referred above, it is not known whether the said communication dated 29.05.2019 was assailed by the petitioners or not. Assuming that the petitioners had not assailed the said government directives vide order dated 29.05.2019, that no further extension beyond 30.06.2018 will be considered, as the said notice dated 26.06.2019 contain reference to government letter dated 29.05.2019, the principles of waiver would also come into the play. In the case of Associated Hotels of India Ltd. Vs. S.B. Sardar Ranjit Singh, AIR 1968 SC 933, it was held by the Supreme Court of India to the effect that a waiver is an intentional relinquishment of a known right and that there can be no waiver unless the person against whom waiver is claimed had full knowledge of his rights and facts enabling him to take effectual action for enforcement of such rights. In the present case in hand, in view of the contents of notice dated 26.06.2019, which is assailed in prayer (B), the petitioners had the knowledge of government communication dated 29.05.2019 as the same is referred in notice dated 26.06.2019. It may be mentioned that the prayer (A) is for quashing of the said letter no. DSE/ SSA/APPT/INSTRUCTORS/2012/466 dated 29.05.2019. Therefore,
