Nepal was a Hindu kingdom in the past and then a constitutional monarchy in the modern period for many years. Throughout this period, political parties and the common people of Nepal have wanted a more open and responsive system of government. But the king, with the help of the army, retained full control over the government and restricted the expansion of democracy in Nepal.

What is the name of the group in Nepal which were successful in spreading its influence in many parts during the nineties, and believed in armed insurrection against the monarch and the ruling elite?

Maoists

During the nineties, the Maoists of Nepal were successful in spreading their influence in many parts of Nepal. They believed in armed insurrection against the monarch and the ruling elite. This led to a violent conflict between the Maoist guerrillas and the armed forces of the king.