Actor-filmmaker Kamal Haasan, amidst news that he is planning to launch his own party, has said he would be willing to join hands with superstar Rajinikanth if he takes the political plunge."Rajini and I have been discussing professional matters. If he joins politics, it won't be difficult for us to discuss politics. I will join him provided he enters politics. We have been rivals on the professional front, but we always consult over key issues," Haasan said on Friday, while addressing questions on video by a leading Tamil daily.Asked if he has decided a date to launch his party, he said: "It should be decided without any hurry."Haasan added that the day he plans to announce his party, it may "coincide with a revolution".Over the last few months, Haasan has been very vocal about the current state of politics in Tamil Nadu.Haasan has been dropping hints about taking the political plunge.Earlier this month, Haasan had held talks with Kerala Chief Minister Pinarayi Vijayan and had told reporters that they had also discussed the state of politics in Tamil Nadu.He also clarified that his colour is definitely not saffron when asked about his plans for any political affiliation.