Robert Vadra has been asked to appear before Enforcement Directorate's Jaipur office on February 12. He arrived at the ED office for second day of questioning on Thursday. He was there due to his connection in the money laundering case. ED had questioned him for nearly six hours yesterday. The case involves nine luxury properties based in London allegedly owned by Vadra worth several million ponds. Vadra has denied any association with absconding arms dealer Sanjay Bhandari and his cousin Summit Chadha, key members in the case. He has also denied the ownership of the property, directly or indirectly. Vadra has got immunity from arrest till February 16. He has called the cases against him a political witch-hunt.