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Abhinav Kejriwal
Co-Founder & CEO
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The 28 Day Challenge
A WhatsApp-based habit-formation program
Sep 2026
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Joined Product Hunt
September 28th, 2026
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Abhinav Kejriwal
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24h ago
The 28 Day Challenge - A WhatsApp-based habit-formation program
The 28-Day Challenge is a WhatsApp-based habit-formation program where you’ll build 4 simple health habits over 4 weeks that will help you start your health journey in a sustainable manner.
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