The correct answer is: B. Pandit Padam Dev
Pandit Padam Dev was the first Prime Minister of Independent Government of Theog state on 15th August, 1947. He was a freedom fighter and a social reformer. He was born in 1886 in Theog, Himachal Pradesh. He was educated at the Government College, Lahore and the University of Punjab. He started his career as a teacher and later joined the freedom struggle. He was imprisoned several times for his participation in the freedom struggle. After independence, he was elected as the Prime Minister of Theog state. He served as the Prime Minister till 1952. He died in 1964.
Option A: Ram Surat Prakash was a freedom fighter and a politician. He was born in 1892 in Theog, Himachal Pradesh. He was educated at the Government College, Lahore and the University of Punjab. He started his career as a teacher and later joined the freedom struggle. He was imprisoned several times for his participation in the freedom struggle. After independence, he was elected as the Chief Minister of Himachal Pradesh. He served as the Chief Minister from 1952 to 1956. He died in 1967.
Option C: Nand Lal Verma was a freedom fighter and a politician. He was born in 1894 in Theog, Himachal Pradesh. He was educated at the Government College, Lahore and the University of Punjab. He started his career as a teacher and later joined the freedom struggle. He was imprisoned several times for his participation in the freedom struggle. After independence, he was elected as the Member of Parliament from Himachal Pradesh. He served as the Member of Parliament from 1952 to 1967. He died in 1973.
Option D: Pandit Hari Ram was a freedom fighter and a politician. He was born in 1896 in Theog, Himachal Pradesh. He was educated at the Government College, Lahore and the University of Punjab. He started his career as a teacher and later joined the freedom struggle. He was imprisoned several times for his participation in the freedom struggle. After independence, he was elected as the Member of Legislative Assembly from Theog constituency. He served as the Member of Legislative Assembly from 1952 to 1967. He died in 1975.