With a 2.5yrs of experience I'm making 6.4 in hand, I'm on track or less according to industry standards, if less how much should I expect.

Depends on how good you are in DSA , man. There's no fixed income category that a software dev should be earning. Sky's the limit

Wait, there are a lot of assumptions here. Is it 6.4 lakh also is it per month or annually.

Plus the biggest question is for you to ask yourself, do you have the necessary skills for you to deserve the amount that you have in mind?