Celcius Technologies Private Limited is a sister concern to the internationally reputed The Chatterjee Group (TCG), which has a history of successful investments in technology, telecommunications, real estate, petrochem and many other forms of asset creation all over the world. Celcius was formed in April, 2000 with the mandate to be a market leader in software development, supports & solutions, website designing and multilingual content management in English and Indian regional languages.

In the last five years it has already done considerable business with several Indian and foreign clients. Till date such services have catered to pharmaceutical industries, government election procedures, financial institutions, stock markets as well as telecommunication domains and e-commerce including Celcius's own e-commerce section. Besides it has also worked with a lot of clients in conceptualizing, designing and developing their business websites.

Celcius is also the pride owner of www.banglalive.com, a community-oriented, highly dynamic, interactive Bengali portal. The portal is doing flourishing business through its own e-commerce section.