Case Studies

Built by Engineers. Proven by Results.

Real systems, real outcomes. Work led by our engineers — the methodology and operational thinking behind every Kaarastu engagement.

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100+ years combined experience. 7 industries. Systems at 100K+ transactions/day.

Real Estate / Mobile

Password fatigue → abuse-resistant OTP

Simplifying login from passwords to OTP while preventing abuse, reducing SMS costs, and making authentication observable.

IoT / Field Operations

9-hour outage → zero unplanned downtime

From firefighting to predictable operations: turning an unmonitored single-server platform into a system that catches failures before users do.

Healthcare / GovTech

Untracked pregnancies → real-time surveillance

Maternal care platform for Uttar Pradesh: connecting frontline workers, facilities, and families through a single closed-loop ecosystem to reduce maternal deaths.

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