The correct option is D Hyder Ali
Velunachiyar built relations with Gopal Nayakar, the Palayakkarar of Virupachi, Hyder Ali of Mysore. Periya Marudhu and Chinna Marudhu, i.e. the Marudhu Brothers were generals of Muthu Vadugar's army. They helped her in recapturing Sivagangai as well.