Section 20 in Tamil Nadu Municipal Service Rules, 1970
20. Extension of probation. - If the appointing authority is of the opinion that the probationer should continue to be on probation in order to enable him to decide upon his suitability for full membership or if the probationer has not passed the test or tests, if any, of which probationer should pass within the period of probation and he should be given time to enable him to pass the tests, the appointing authority may extend his period of probation for a period not exceeding one year.
