[4] During this period he was instrumental in abolishing "Land-Birta-System" and set strategies to promote land reform by consolidating tenancy rights of the tenants.

Thapa was responsible for "Muluki-Ain", through which he attempted to eradicate the practice of an untouchable caste and promote women's suffrage, among other social activism.

[6] In October 1972, Thapa was arrested and imprisoned in Nakhhu Jail when he demanded political reform in his Itum-Bahal public address.

[2] After pro-democracy demonstrations in 1979, Nepali voters chose to uphold the Panchayat system in a referendum in 1980, and King Birendra appointed Thapa Prime Minister on June 1, 1980.

[9] In 1990, the People's Movement led to the institution of a constitutional democracy system of government with multiple political parties.

Thapa then conceded the prime ministership to his coalition partner, Girija Prasad Koirala of the Nepali Congress.

[16] Under Thapa's tenure, the government offered the Maoists a 75-point socio-economic and political reform package during peace talks.

To counter the persistent bloody attacks on the police, army, and civilians, Thapa set up the Unified Command.

Under the program, the police, army, and armed security functioned as a cohesive team to combat terrorism in the country.

Thapa lead a caretaker government for 25 days as the parties failed to nominate a consensual individual to the post of the prime minister.

[20] In August 2004, Thapa made his first public statement after his resignation, asking the party leadership to call for a Special General Convention.

On November 19, 2004, Thapa and his followers opened a contact office in Balutwar, Kathmandu, to organise a "broad political conference" and coordinate the construction of a new party.

[23] RJP had expressed differences with King Gyanendra after the February 1, 2005, coup on political appointments in the local administrations.

At the time, RJP tried to profile itself as a centrist party, in between positions advocating direct monarchical rule and republic.

On February 6, 2008, Thapa initiated unity talks with the leader of RPP, Pashupati Shamsher Jang Bahadur Rana.