The 2007 Delhi B.S. Agreement is a very important historical event that has led to the progress of the anti-Rana movement. After King Tribhuvan fled to Delhi with the risk of his throne in Nepal, the agreement was held in Delhi in the mediation of the Indian government and the presence of the king, the congress badger and Rana`s representative. It is even a tripartite agreement. The points followed: the Delhi agreement was a tripartite (verbal) agreement in Delhi after a reciprocal agreement between Ranas, the Nepal Congress Party and King Tribhuban. [Citation required] Kashmiri government officials texted with indian government officials and reached an agreement to approve key decisions of the Constituent Assembly of the J-K State. This agreement later became known as the Delhi Agreement, 1952. The main features of this agreement were that the treaty entered into force on 8 August 1973 and expired on 1 July 1974. Under the agreement, UNHCR oversaw the repatriation of citizens from Bangladesh and Pakistan. According to the UN, 121,695 Bengalis have been transferred from Pakistan to Bangladesh.
Among them are senior Bengal officials and the military. 108,744 civilians and non-Bengali officials were transferred from Bangladesh to Pakistan.  India released 6,500 Pakistani PoWs, most of whom were transported by train to Pakistan. In 1974, General Niazi was the last Pakistani officer to be symbolically returned by the Wagah border.  The excesses and multiple crimes committed by these prisoners of war constituted war crimes, crimes against humanity and genocide, in accordance with the relevant provisions of UN General Assembly resolutions and international law, and there was a general consensus that persons accused of crimes such as 195 Pakistani prisoners of war should be brought to justice and subjected to ordinary judicial proceedings.  Finally, the 7 Falgun 2007 B.S. King Tribhuban returned to Nepal as head of state, thus ending Rana`s reign. This agreement was one of the most important steps in the transfer of power from government from autocratic families to ordinary people.
Among the PoWs, 195 Pakistani military officers detained in India have been identified as the main war crimes suspects. Pakistan insisted that they be released as one of its main demands. She urged several Muslim countries to refuse recognition of Bangladesh until the release of the 195 officers.  India preferred their repatriation to Pakistan. In the text of the agreement, Bangladeshi Foreign Minister Kamal Hossain stated that the Head of State was in office for a five-year term from the time of taking office, subject to the above provisions; there was total agreement on the position of the Sadar-i-Riyasat; Although the Sadar-i-Riyasat was chosen by state law, it had to be recognized as such by the Indian president before its installation; In other Indian states, the head of state was appointed by the president and, as such, his candidate, but the person who was to be appointed head had to be an acceptable person to the government of that state; No one who is not acceptable to the government can be pushed on the state as head of state.