New Delhi, April 28 (ANI): BJP spokesperson, Nirmala Sitharaman, on Monday said that her party would continue to question the issue of land dealings, which involves Congress party president Sonia Gandhi's son-in-law, Robert Vadra till Sonia and Rahul Gandhi come clean on it. The Wall Street Journal in an article claimed that in 2012 Vadra sold more than 72 crore rupees of property and he still held real estate valued at 252 crore rupees. The BJP termed it as a massive scandal which resulted in injustice to many people of Haryana and Rajasthan. Sitharaman also questioned Sonia Gandhi and Congress vice-president, Rahul Gandhi's silence on the matter.