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AI Mentor (free)
Groq connected — AI features give personalised answers.
Tip: Groq has a much bigger free daily limit than Gemini. Add a free key at console.groq.com/keys and set GROQ_API_KEY in .env — it's used first, with Gemini as backup. Repeat questions are cached, so they don't use your daily quota.
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You'll be asked for this whenever you open Udaan in a new tab.
Voice & Audio (English lessons)
Choose the clearest English voice for the listening exercises.