Where was the “State Vaccine Institute” established in 1903 ?

The correct answer is (b), Dehradun.

The State Vaccine Institute was established in 1903 in Dehradun, India. It is a government-run institute that is responsible for the production and distribution of vaccines. The institute also conducts research on vaccines and provides training to healthcare workers on vaccination.

The other options are incorrect. Patwadangar is a village in the Indian state of Maharashtra. Mukteshwar is a hill station in the Indian state of Uttarakhand. Lansdowne is a town in the Indian state of Uttarakhand.