Sunidhi is from the Sanskrit su- (well, good) + nidhi (treasure, gift, bestowal) — "well-bestowed treasure" or "good policy." Sunidhi Chauhan (born Nidhi Chauhan, 1983) — Indian playback singer; began her professional career at age 12 with Shastra (1996) and won the Meri Awaaz Suno talent show at 13. Has recorded over 3,000 songs in 35+ Indian languages; her contributions to Dhoom (2004), Bunty Aur Babli (2005), Crazy Kiya Re from Dhoom 2 (2006), Sheila Ki Jawani from Tees Maar Khan (2010), and Senorita from Zindagi Na Milegi Dobara (2011) are among the most-streamed Bollywood songs. Padma Shri (2024). Married music director Hitesh Sonik in 2012.
Sunidhi does not currently appear in the US Social Security Administration's top 1,000 girls' names, so we don't publish a US rank or birth count for it. That says nothing about the name's standing elsewhere in the world — only that it sits outside the ranked US data we rely on.
In Pythagorean numerology the letters of Sunidhi reduce to 3, The Communicator. This is a traditional interpretive system, not a factual claim about the name.