India, Nov. 21 -- Celebrities, billionaires, and international VIPs are descending on Udaipur, Rajasthan, for the grand three-day celebration of billionaire heiress Netra Mantena and tech entrepreneur Vamsi Gadiraju. The festivities, which began on November 21, will wrap up with the main wedding ceremony on November 23, and the buzz around it is massive.

Netra Mantena is the daughter of Padmaja and Rama Raju Mantena, the Orlando-based billionaire and CEO of Ingenus Pharmaceuticals. Her father, a well-known name in the US pharma industry, heads a multinational company with research and development facilities in the US, Switzerland, and India.

Netra's groom, Vamsi Gadiraju, is no less impressive. He's the co-founder and Chief Technology O...