1) Nepal transitioned to democracy through a series of constitutional changes starting in 1948, with the establishment of an interim constitution in 1951 after the end of the Rana regime.
2) However, democracy was short-lived, replaced by a new constitution in 1962 that eliminated political parties and introduced a panchayat system.
3) The 1990 constitution lifted the ban on political parties and curtailed the power of the king, leading to the establishment of multi-party democracy.