The funds will be employed to expand Lookup's merchant base and branch out into newer geographies, it said in a statement.
The Series A funding was led by Vinod Khosla's personal fund Khosla Impact.
Twitter co-founder Biz Stone, Narayana Murthy's Catamaran Ventures and Global Founders Capital, the European investment fund from Rocket Internet's Samwer brothers also participated in this round, it added.
Other participants include Geneva based ACE & Company, Singapore based M&S partners, New Look fashion chain founder Tom Singh, Lookout founder Kevin Mahaffey and LivSpace founder and former Google Local head Anuj Srivastava, it added.
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They also participated in the current round.
Founded by Innoz's Deepak Ravindran, Lookup has registered one million users within months of its launch.
Lookup currently operates in three cities -- Bengaluru, Mumbai and Delhi.
The company plans to expand its presence in Dubai in partnership with Etisalat.
"Chat is eating the world. Lookup uses chat to disrupt local commerce in India, which is a USD 750 billion industry. India has the highest shop density in the world with over 45 million local businesses," Lookup founder and CEO Deepak Ravindran said.