Surya Tilak
- It is an ingenious system designed to adorn the forehead of the Balak Ram idol with sunlight in the form of a ‘Tilak’ for a specific duration annually on Ram Navami.
- Developed by the Central Building Research Institute (CBRI) under CSIR.
- Made up of Brass with no battery, iron or steel, powered by Solar energy.
- High-quality mirrors and lenses arranged in a specific sequence channel sunlight onto the idol.
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