He was elected Fellow of the Indian National Science Academy in 1974. He was the Secretary of the Academy from 1983 to 1986 and its Foreign Secretary from 1989 to 1992. He was elected President of the INSA in 1993. He has been a Fellow of the Indian Academy of Sciences since 1974, and was Vice President from 1989 to 1991. Joshi was president of the Indian Physics Association from 1989 to 1990. He is president of the Materials Research Society of India. Joshi is a Fellow of the Third World Academy of Sciences, and a Foreign Member of the Russian Academy of Sciences.