Alia Bhatt, Ranbir Kapoor and Director Ayan Mukherji launched the logo of their film Brahmastra on Mahashivratri at the Kumbh Mela on Monday, March 4, 2019.

In a first of its kind launch, 150 drones lit up the sky to form the Brahmastra logo.

Ranbir, Alia and Ayan also performed the aarti at Prayagraj.