In the interim government formed in 1946, the Vice-President of the Executive Council was

The Interim Government formed in September 1946 was dominated by the Congress and was headed by Jawaharlal Nehru; sources describe Nehru as the leader of that Interim Government and note its composition under Congress leadership [1]. Official historical documentation explicitly gives Nehru the formal title “Vice‑President of the Governor‑General’s Executive Council” while identifying him as the leader of the national interim government [2]. Contemporary summaries and cabinet lists also record Jawaharlal Nehru as Vice‑President of the Executive Council with the External Affairs and Commonwealth Relations portfolio, confirming his position in the 1946 Interim Government [3].

Sources

1. [1] Rajiv Ahir. A Brief History of Modern India (2019 ed.). SPECTRUM. > Chapter 24: Post-War National Scenario > Interim Government > p. 476
2. [2] https://history.state.gov/historicaldocuments/frus1947v03/d83
3. [3] https://indianexpress.com/article/explained/september-2-when-indias-interim-govt-was-formed-in-1946-5959889/