She is a development economist, whose research aims to explore market linkages in developing countries. For her PhD dissertation, she examined the effects of a road construction program in India that connected remote rural areas to nearby markets. Her ongoing research is focused on agricultural supply chains in India and East Africa. She also works on issues pertaining to domestic trade, microfinance, and food policy.Professor Aggarwal has a PhD from the University of California, Santa Cruz, an MA from the Delhi School of Economics and a BA from Shri Ram College of Commerce.