What is the significance of inserting a new clause by "Ins. by s. 2, ibid. (w.e.f. 17-10-1973)"?
The significance of inserting a new clause by "Ins. by s. 2, ibid. (w.e.f. 17-10-1973)" is not clear from the given context. The specifics of what was inserted and its effects are not mentioned in the provided text.