Hi,
M.sc economics is one of a best stream in itself & it has a very good future prospects & placements especially when you do it from IIT Kanpur. You cannot found any subject difficult if your starting with basics & clearing your concepts at each level. Moreover your interest play a vital role in this.
With m.sc economics you have a very good career as a economists, you have a career with financial services sector, in rural developement, in demographic studies and in the formulation of economic analysis and policies. Economists are utilised by government organisations as well as the public and private sector organisations.
Best wishes for your future !
Manisha Sharma