The final blast for the 980-metre long Sela Tunnel (Tunnel 1) was conducted by Director General Border Roads (DGBR) Lt Gen Rajeev Chaudhry. The Sela Tunnel Project is located in the West Kameng District of Arunachal Pradesh.
The Research Foundation for Microbial Diseases began the rollout of the world's first chickenpox vaccine in 1986 as the only varicella vaccine approved by the World Health Organisation.
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