Mysore/Mysuru: Rangavalli, a city-based amateur theatre group, will be staging Girish Karnad’s Jnanpith award-winning play ‘Tughlaq’ at Mini Theatre in Kalamandira here on May 28 and 29 at 6.30 pm. Onstage: Manjunatha Shastry, Raviprasad, Murali Gundanna, Rashmi Narayan, Hariprasad, Raghu Boodnoor, Manju V.  Narasapura, Vijay, Pranav, Raghu, Shivamurthy, R. Manju, Gururaj, Bhargavi, Adarsha, Naveen, Prajwal,…