Nepali Congress
Chitra Lekha Yadav was elected to the Pratinidhi Sabha in the 1999 election on behalf of the Nepali Congress. Yadav became its deputy chairman. Nepali Congress divided vertically to two parties, one led by former Prime Minister Sher Bahadur Deuba, Nepali Congress (Democratic), and the other is led by Girija Prasad Koirala. After vertical split of the party, she supported Nepali Congress (Democratic) (which later reunified with NC).