Why Dr K I Singh called from the banished life and appointed as the prime minister of nepal?​

Kunwar Indrajit Singh (Nepali: कुँवर इन्द्रजीत सिंह; 1906 – 4 October 1982), popularly known as Dr. K.I. Singh or just K.I. Singh was a Nepali politician and revolutionary who served as the 20th Prime Minister of Nepal in 1957.He was a key Nepali Congress organizer in the 1951 Nepali Revolution, and was a leader in its militant wing, the Muktisena,who later refused to recognize the Delhi Accord and was forced to flee the country following a revolt he took part in.In 1955 he returned and formed the United Democratic Party, and following the installation of the Panchayat system he agitated for its end, for which he was jailed. Following his release, he went into self-imposed exile, and much later returned to Nepal and was elected a member to the Rastriya Panchayat. He was known as the "Robin Hood of the Himalayas", and was very popular throughout the country.

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4.a depression is the answer