India’s internet users already rely heavily on voice notes, voice search, and multilingual messaging. Turning those habits into a scalable AI business, however, remains difficult because of the country’s linguistic complexity, mixed-language usage, and uneven monetization patterns. Wispr Flow is betting the opportunity is worth the challenge. The Bay Area-headquartered startup, which builds AI-powered voice input software, says India is now its fastest-growing market, even though voice-based AI products remain early and fragmented in the South Asian nation. That growth has pushed Wispr Flow to expand more aggressively for Indian users, beginning with Hinglish — a hybrid mix of Hindi and English commonly spoken by locals. The startup is also planning broader multilingual voice support, a local hiring push, and, eventually, lower pricing as it looks to expand beyond white-collar users and into Indian households.…