Dehradun (Uttarakhand) [India], January 7 (ANI): The mastermind of the robbery worth about Rs 20 crore that took place in the showroom of Reliance Jewels in the upscale Rajpur Road area of Dehradun in November last year has been arrested in Bihar’s Patna. The Superintendent of Police, Ajay Singh, said on Sunday that the accused has been identified as Shashank, who is the mastermind of the robbery. “Shashank, the mastermind of the robbery of Reliance Jewellery Store located on Rajpur Road, Dehradun, has been arrested by Dehradun Police in the night from Beur police station area in Patna distric…