With this, Sibal joins the league of several Congress leaders, including avid twitterati Shashi Tharoor, Digvijay Singh, Manish Tewari, Ajay Maken and Shakeel Ahmed who are active on the microblogging site.
Some of the leaders also have their Facebook accounts. Besides personal communication, the leaders have mostly been using these social media tools to disseminate party's view point on various issues.
He said he would soon use other platforms available on the internet to connect with people.
The company which will manage the portal said no comment will be blocked unless they are abusive in nature.
Sibal had played a key role in party's media strategy in 2009 Lok Sabha elections.