Time has come to change the fate of Tamil Nadu, while political and government change in the state is important and compulsion of time, said actor Rajinikanth on Thursday.The actor sounded his poll bugle against the ruling AIADMK government as well as against the major opposition party DMK.Rajinikanth said he would float his political party in January 2021 and an announcement in that regard will be made on December 31, 2020.Speaking to reporters here, Rajinikanth said: "The time has come to change the fate of Tamil Nadu. Political and government change in the state is important. It will surely change. The political change is important and is compulsion of time. If not now, it is not possible ever. Everything has to be changed. We will change everything."He appealed all to support him to bring in the change."I am just a small instrument in the change. If I win then it is people's victory," he added.He said that in 2017 he had announced his decision to enter politics and contest in all the 234 Assembly seats.According to him, though doctors had advised against holding rallies, if his life goes for the benefit of people then he is not worried about it.Rajinikanth also said 40 per cent shooting is pending for his movie Annaatthe which he will complete.