CHENNAI: Superstar Rajinikanth is celebrating his 75th birthday on Friday, receiving an outpouring of wishes from across the country, including from Prime Minister Narendra Modi and Tamil Nadu chief minister MK Stalin. Leading the tributes, PM Modi lauded Rajinikanth’s five-decade-long cinematic legacy, writing on X, “Greetings to Thiru Rajinikanth Ji on the special occasion of his 75th birthday....