He earned his Bachelor of Science in physics in 1979 and Master of Science in physics in 1982 from the University of Calcutta , and earned his doctorate in physics from the University of Minnesota in 1987 .
Chakrabarti was born in Calcutta , India .
Chakrabarti earned Chakrabarti 's Bachelor of Science in physics in 1979 and Master of Science in physics in 1982 from the University of Calcutta , and earned his doctorate in physics from the University of Minnesota in 1987 .
Chakrabarti was born in Calcutta , India .