There's a range of salaries for a given level of competence. I found one candidate earning ₹4 lac a year who was way more competent than another earning ₹14 lac

There's a range of salaries for a given level of competence. I found one candidate earning ₹4 lac a year who was way more competent than another earning ₹14 lac a year. That's a 3x variation. So, no harm keeping it open for a while to see if it can be filled.