Actress-entrepreneur Shilpa Shetty is upbeat about launching Viaan mobiles, named after her three-year-old son, on the occasion of Gurpurab on Wednesday.An 'excited' Shilpa took to Twitter, and wrote: "Launching VIAAN mobiles on this auspicious occasion of Guru Nanak Jayanti. Too excited #MobileRevolution https://instagram.com/p/-ftDiGo2V7/."Shilpa, who is launching the new venture with husband Raj Kundra, also wished a Happy Guru Nanak Jayanti to the Twitterati.The actress also shared on Instagram an image of a toddler, seemingly her son, showing off a black t-shirt, whose back reads: "Viaan mobiles -- Full of life and energy".Shilpa, who co-owns the Indian Premier League (IPL) cricket team Rajsthan Royals with Kundra, got married in 2009.