The rate you must charge to hit your income
Only about 65% of your time is billable — the rest is sales, admin, and downtime. So to take home ₹18.00 L, you can't just divide by total hours; you divide by the 1144 hours you actually bill. That's why a sustainable rate lands near ₹2.5K/hour. Charging less means working more days to reach the same income.