How did the PMO come to know about Sengol that will be placed in new Parliament?

The Prime Minister's Office (PMO) came to know about Sengol, which is to be placed in the new Parliament, in 2021 when classical dancer Padma Subrahmanyam wrote a letter to Prime Minister Narendra Modi. Subrahmanyam translated a Tamil article on it and emphasised that the significance of the Sengol should be widely publicised.