Diagram explains how Sun's rays were directed at Ram Lalla idol's forehead

Abhay Karandikar, Secretary of Department of Science and Technology shared how 'Surya Tilak' project was executed on Ram Navami in Ram Temple. "As the temple isn't fully completed...IIA experts modified the design...This design, with 4 mirrors and 2 lenses, was executed for...Surya Tilak," he wrote while sharing diagram. The final design will be implemented once the full temple is constructed.