Sh. Suresh Chander Gahlawat vs National Technical Research ... on 13 January, 2014
6If the order of appointment itself states that at the end of the period of probation.in the absence of any order to the contrary, the appointee will acquire a substantive right to the post even without an order of confirmation. In all other case, in the absence of such an order or in the absence of such a service rule, an express order of confirmation is necessary to give him such a right. Where after the period of probation an appointee is allowed to continue in the post without an order of confirmation, the only possible view to take is that by implication the period of probation has been extended, and it is not a correct proposition to state that an appointee should be deemed to be confirmed from the mere fact that he is allowed to continue after the end of the period of probation.
Further, in the case of Lawrence School Vs. Jayanthi Raghu, (2012) 4 SCC 793 the following has been held:-