Key details at a glance
Level 1 (manual deploys via SSH/scripts, no staging environment) carries high deploy fear and risk. Level 2 (CI/CD basics — automated tests, one-click deploy, Infrastructure as Code) is the highest-ROI starting point for most teams. Level 3 adds observability (monitoring, alerting, on-call rotation, incident playbooks); Level 4 reaches full SRE (error budgets, chaos testing, multi-region). India 2026 progression cost: Level 1→2 is ₹40–80K one-time, Level 2→3 is ₹1.5– 3L/month retainer, Level 3→4 is ₹3–6L/month for dedicated SRE.
