 The period also saw significant infrastructure developments, particularly of roads, and gave rise to Dhumal being called the "Sadak walla Chief Minister".Dhumal resigned his seat in the Himachal Pradesh legislative assembly upon winning the Hamirpur constituency in a 2007 by-election for the Lok Sabha.The by-election came about because of the expulsion of Suresh Chandel, a BJP Member of Parliament who had been involved in a cash-for-questions scandal.