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*In 0000 1954-1957 head of the servicesection of Matenadaran. *In 1957-1959 worked at (as a junior researcher in Matenadaran.*In 1963-1968 worked in National Academy of Sciences of the Armenian Soviet Socialist Republic in the place) Institute of Oriental studies as a (position)junior researcher.*In 1968-1971 worked in National Academy of Sciences of the Armenian Soviet Socialist Republic in the Institute of Oriental studies as a senior researcher.*In 0000 in 1971-1977 worked at ( in the place) [[Yerevan State University]] as a 2(position)senior lecturer of the chair of History of the East and as a head of the same chair.*In 0000 1978-1980 worked at ( as a lecturer in the faculty of History in the place) chair of general history,in 1980-1985 as an associate professor,in 1988-1998 as a (position)professor.

*In 0000 became 1964 was a Candidate candidate of Historical Scienceshistorical sciences.*In 0000 became 1982 was a Real Member doctor of Academyhistorical sciences.*In 0000 1985 was a professor.*In 1985 received the Medal "William Saroyan40 Years of Victory in the Great Patriotic War 1941–1945" Medal.

*Write other information that doesn't satisfy criteria In 1936 moved to Yerevan with the family.*He is the author of 80 works,including a few books.*His works refer to the Armenian-Indian relations,history of the above mentioned three subsectionsarmenian colonies.