National Institute of Siddha, an autonomous body under the Ministry of Ayush, Govt.
of India, Tambaram Sanatorium, and Chennai-600 047 invites tenders through GeM portal
from reputed agencies having experience in carrying out calibration work.
For details regarding the bid, please refer BID NO:GEM/2026/B/7450093,
Dated:28.04.2026. The bids should be submitted through GeM portal only.