Which of the following High Courts has banned the felling of oak trees for construction purposes?

On which of the following days is World Voice Day celebrated every year?

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

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

According to data released by the Comptroller and Auditor General of India, in which of the following states/Union Territories have 315 lakes vanished?