Riya and Simran is a singer sister duo who are based out of the finance capital of India, Mumbai. They have a band named Twisted Paradox. Twisted Paradox is five-pieced, led by the vocalist sister duo – Riya and Simran Duggal This sister duo call themselves, Simetri. Their forte is western rock and pop music, but they also sing Indian classical. Coming from a musical family, they are instantaneous with vocal harmony.