Choudhary Lal Singh, the chairman of the Dogra Swabhiman Sangathan Party, reached the agency office in Narwal at 10 am for questioning for a second time in three days, sources said. ED sleuths had questioned him earlier on Saturday. As the questioning of Lal Singh was underway on Monday, his supporters staged a dharna outside the ED office and chanted slogans in his support and against the BJP.