- Brooke Bond Taj Mahal
- 210.86 square metre(s)
- India (Vijayawada)
The largest environmentally active billboard is 210.86 square metres (2269.75 sq ft) and was achieved by Brooke Bond Taj Mahal (India) at Vijayawada, Andhra Pradesh, India on 10 September 2023.
The billboard titled Megh-Santoor, plays music like the Indian classical music instrument, Santoor, when it rains.