Bengaluru: Even as two top actors from Tamil Nadu — Kamal Hasan and Rajinikanth — are keeping people guessing on whether they will enter politics, Kannada’s “Real Star” Upendra took a real plunge into politics with the launch of ‘Karnataka Prajnavantha Janata Paksha’ (KPJP) in Bengaluru this morning. KPJP was launched today amidst cheers from…