He attended Saint Xavier"s College in Bombay, from where he received Bachelor of Science degrees in chemistry and physics and Bachelor of Arts degrees in English and economics, and a Master of Science degree. In 1947 Mehta went to the United States, where he earned a Doctor of Philosophy in chemistry from The University of Kansas.
In 1939, he and a fellow student K. Doctorate. Irani wrote and published the book “Textbook of Theoretical and Practical Physics”. Seagram invited Mehta to the United States as a trainee in their research lab where he learnt about fermentation and distillation. During his time at Seagram, Mehta studied the antibiotic Penicillin.
While teaching chemistry at Central State University, Wilberforce, Ohio, Mehta joined the pharmaceutical company Burroughs Wellcome, Incorporated., now GlaxoSmithKline, where he worked on potential neuropsychopharmacological drugs and designed, synthesized, and patented (in 1969) the compound Bupropion (BW 323U66) that was approved for use as an antidepressant in 1985 and sold under the trade name Wellbutrin.
Another application of the drug was as a smoking cessation aid.