Explanation:

Correct option 4: 27

?The One Health Consortium, launched in October 2021 by the Department of Biotechnology (DBT), Government of India, comprises 27 organizations. These organizations include premier institutions such as AIIMS Delhi, AIIMS Jodhpur, Indian Veterinary Research Institute (IVRI), Guru Angad Dev Veterinary and Animal Sciences University (GADVASU), Tamil Nadu Veterinary and Animal Sciences University (TANUVAS), Maharashtra Animal and Fishery Sciences University (MAFSU), Assam Agricultural and Veterinary University, and various ICAR, ICMR centers, and wildlife agencies. The consortium is led by the DBT-National Institute of Animal Biotechnology, Hyderabad, and aims to conduct surveillance of zoonotic and transboundary pathogens to prevent future pandemics.