Where to buy computer parts from ?

The left click of my mouse is faulty and I want to buy it's replacement. The thing that I want to buy is Kailh 8.0 micro switch. Does someone know where to buy it from, from any shop in Ranchi. On websites it is showing for Rs 90, but the shipping cost is Rs 100. So, for buying a product of Rs 90, I'll have to shell out Rs 190, if I buy it online.