You can use the supermarkets throughout the country to buy daily necessities. Most supermarkets also sell both over the counter medicines and prescription drugs as well as alcohol and tobacco. The biggest supermarket chains are Cargills Food city, Keels Super and Aripico Super Centre.
Odel is a good place to buy good quality clothes. Their main branch in Colombo sell souvenirs as well as some tea brands. Laksala is the best buy genuine Sri Lankan handicrafts, gem, and tea products. There are several outlets throughout the country as well as in the departure lounge at the airport.
Computers, Mobile Phones, and Accessories
Mobile phone accessories such as chargers and cables can be found in small shops throughout the island. Abans, Singer, and Softlogic are the biggest electronic chains in Sri Lanka. If you want to buy a Laptop or a Mobile Phone it is best to visit one of their showrooms. If you need to buy something like a specific model of a laptop charger, the best places you can visit is the Unity Plaza in Bambalapitiya which is a shopping mall full of shops selling Computers, Mobile Phones, and Accessories. Majestic City in Bambalapitiya and Liberty Plaza in Kollupitiya are the other places selling these products.