The external affairs ministry spokesperson tweeted that Vaya was a long term resident of Kenya.
The terror attack on Westgate Shopping Mall by the Somalia-based Al-Shabab group ended after four days Tuesday.
The three other Indians killed are: Sridhar Natarajan, 40, an employee of a local pharmaceutical firm Harley's Limited who belonged to Tamil Nadu, Paramshu Jain, 8, son of Manoj Jain, the branch manager of Industrial Area Branch, Bank of Baroda (Kenya Limited), and Sudharshan B. Nagaraj of Bangalore, who was in the book trade and had arrived in Nairobi Sep 20 in transit to Kampala and Accra.
Photos: Kareena Kapoor Khan and Aamir Khan at Mumbai airport
Photos: SRK, wife Gauri, Aishwarya Rai, Shweta Bachchan at Vogue Awards
Photos: Harbhajan Singh-Geeta Basra's TV outing with daughter Hinaya
Photos: Malaika Arora flaunts ripped jeans like a boss!
Photos: Vaani Kapoor, Kriti Sanon, Dia Mirza sizzle on the ramp