In 1952 he returned to Bombay as chief editor of the Press Trust of India until 1954 and was a member of its board of directors until 1975.

[9] In 1980, the Government of India constituted a 14-member advisory committee for restructuring the media organizations, formulating policies, and promoting innovative programming in order to enrich cultural identity and enhance national integration.

He was the government's man for resolving sticky issues and played a significant role in India's foreign relations.

He served as the Chief Commissioner of the International Control Commission set up to monitor the Geneva Accords, first in Cambodia and then in Vietnam.

He was a distinguished diplomat whose career spanned six decades involving challenging political assignments especially in war-stricken Cambodia and Vietnam.

He also served as a member of the Scientific Council of the Stockholm International Peace Research Institute (SIPRI).

G.P, arguing on behalf of Indira Gandhi, persuaded Beg, the representative of Sheikh Abdullah, that Kashmir was an integral part of India.

The accord covered many salient issues such as the applicability of Article 370 to Jammu and Kashmir and the extension of Central Laws to the State.

[15] In 1982, he led a delegation of social scientists to Peking and began talks to settle the dispute with China on security and border issues.

Upon discussions with the leaders of the Tamil United Liberation Front (TULF), he prepared a document which, at that time, was the basis for all future negotiations with Sri Lanka.

His twin objectives were to maintain the unity, sovereignty and integrity of the island and, at the same time, guarantee the safety, security, economic and social well-being of the Tamil population in the northern and eastern provinces.

Indira Gandhi's untimely death prevented a peaceful resolution to the conflict, but G.P laid the foundations to a friendly compromise.

[16] He played a crucial role in the signing of the Mizo Accord on 30 June 1986 thereby ending insurgency in the northeast state of Mizoram.

He developed trust with the Mizo National Front leader, Laldenga, and convinced him to reject the path of violence.

to serve as the first vice-chancellor of the Jawaharlal Nehru University, Delhi which opened in 1969, a position he held for five years.

G.P was appointed chairman of the Indian Council of Social Science Research (ICSSR) in August 1980 during Indira Gandhi's tenure as Prime Minister.