Which death anniversary of India’s second President, Dr. Sarvepalli Radhakrishnan, was observed on April 17, 2026?

GE Aerospace is a company from which country, with whom the Indian Air Force has announced the establishment of an F404 engine depot in India? 

Gilbertson Sangma passed away at the age of 71. Which sport was he associated with?

At which of the following locations was the International Conference on Spacecraft Mission Operations 2026 held? 

In which of the following states will India’s first indigenous quantum computing testbed be inaugurated?