What was code-named of first Indian Nuclear test at Pokhran in 1974?

A. Shining Shiv
B. Smiling Budha
C. Bang of Brahama
D. Pokhran Visphot

Explanation:

Operation Smiling Buddha (MEA designation: Pokhran-I) was the assigned code name of India’s first successful nuclear bomb test on 18 May 1974. The bomb was detonated on the army base Pokhran Test Range (PTR), in Rajasthan, by the Indian Army under the supervision of several key Indian generals.