Kailali, Dec 26 – Bishna Oad, mother of Ravi Oad, the winner of the Nepali Idol season-2, has died of electric shock. In the incident happened at around 7:00 am today, she was left severely injured and rushed to the Dhangadhi-based Seti Zonal Hospital where she was declared dead. The 45-year-old was pronounced dead on the arrival at hospital at around 9:00 am, hospital chief Krishna Bahadur Bohara said. Ravi had already lost his biological mother and Bishna was his step mother and he was grown up under her care and protection.