income tax

I operate a recharge service, where I add funds to my Amazon Pay balance using my Punjab National Bank (PUNB) savings account (Jan Dhan Yojana). I earn a 3% commission on recharges. Customers transfer funds to my PUNB account via UPI. My monthly receipt from customers is approximately ₹60,000...

I am joining a new job, and my annual salary will be around 3.36LPA. How can I know if I have to pay taxes in this salary? And if yes, then, how to calculate my income tax and how to get the form and where to file it? Can I get this forms in any places where I have to visit physically or can I...