Cloud migration is one of the most consequential decisions an Indian CTO makes. Get it right and you unlock agility, cost savings, and scale. Get it wrong and you're dealing with performance issues, cost overruns, and security incidents. This guide covers everything you need to plan and execute a successful cloud migration in India.
Step 1: Define Your Migration Strategy (the 6 Rs): Not all workloads should move to the cloud the same way. Gartner's 6 Rs framework helps: Rehost (lift-and-shift to IaaS), Replatform (move with minor modifications), Repurchase (replace with SaaS), Refactor (rebuild for cloud-native), Retire (decommission), Retain (keep on-premises). For most Indian companies, a mix of rehost for existing apps and repurchase for commodity tools (email, HR) is the starting point.
Step 2: Choose Your Primary Cloud Platform: For Indian businesses, all three major clouds (AWS Mumbai, Azure India, Google Cloud Mumbai/Hyderabad) are viable. AWS leads for developer-first, startup-to-scale journeys. Azure wins for Microsoft-heavy organisations. Google Cloud excels for analytics and AI/ML workloads. Evaluate based on: your team's skills, existing vendor relationships, data residency needs, and specific service requirements.
Step 3: India Compliance Planning: Indian cloud deployments must address: CERT-In 2022 (6-hour incident reporting, 180-day log retention), DPDP Act 2023 (data minimisation, consent, breach notification), sector-specific rules (RBI for banks, IRDAI for insurance, CDSCO for pharma), and GST on cloud services (18% GST applies). Build compliance into your architecture from day one, not as an afterthought.
Step 4: Build Your Migration Team: A successful cloud migration needs: Cloud Architect (designs the target architecture), DevOps Engineer (automates deployment pipelines), Security Engineer (implements cloud security controls), Application Owners (ensure application compatibility), Finance Champion (manages cloud costs). Consider engaging an Indian cloud migration partner if your team lacks cloud experience.
Step 5: Execute and Optimise: Migrate workloads in waves, starting with non-critical systems. Set up cloud cost monitoring from day one — cloud bills can surprise you. Implement tagging policies to allocate costs to teams or projects. Use Reserved Instances or Committed Use Discounts (typically 30–60% savings) once workloads are stable.
Frequently Asked Questions
How long does cloud migration typically take for an Indian SME?
A 50-server on-premises environment typically takes 3–6 months to migrate to cloud. Larger migrations (200+ servers) take 9–18 months. The timeline depends heavily on application complexity, team capacity, and how much refactoring is needed.
What are common cloud migration mistakes made by Indian companies?
The most common mistakes are: (1) Underestimating cloud costs — cloud can cost more than on-premises if not optimised, (2) Skipping security architecture design, (3) Not addressing compliance requirements early, (4) Migrating without training the team on cloud operations, (5) Not setting up proper monitoring and alerting from day one.
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