Under fire over the Vadra-arms dealer links, the Congress has dragged in the BJP asking it to explain its leader Siddharth Nath Singh's link to Sanjay Bhandari. On The Buck Stops Here, Siddharth Nath Singh admitted he knew Sanjay Bhandari but said he was unaware of his arms business. Mr Singh said he was "ready for any probe" and that he had "nothing to hide".