On November 26, 2025, marking Subrahmanya Shashthi, a special puja was performed at the shrine of Sri Balasubrahmanya Swami at noon. Archakas performed Phala-Panchamruta Abhisheka to Sri Balasubrahmanya Swami, followed by Tīrtha Abhisheka to the chanting of Sri Rudra, Chamaka, Narayana Sukta, Kumara Sukta, and other Veda Mantras. Mangalarati was then performed in the presence of Jagadguru Sri Mahasannidhanam.

Earlier in the evening, Deepotsava at the temple of Sri Subrahmanya Swami in Sacchidanandapura was celebrated.

Later in the evening, Deepotsava, Maha Mangalarati and Ashtavadhana Seva were offered to Sri Balasubrahmanya Swami. This was followed by the chanting of Sri Subrahmanya Bhujangam by the Pandits & Vidyarthis of the Sadvidya Sanjeevini Samskrita Mahapathashala, along with the devotees gathered at the temple.

After the Deepotsava at the temple of Sri Balasubrahmanya Swami, Deepotsava was also celebrated at Sri Naga-devata shrine located at the base of the Ashwattha tree in Narasimhavanam.

At Gurunivas, during the nightly Chandramoulishwara Puja, Jagadguru Shankaracharya Sri Bharati Tirtha Mahasannidhanam performed a special Mangalarati to Sri Subrahmanya Swami.