Doctors, lawyer etc........ can be tutors in their own field......... but are professionals covered under section 44ADA........ But not all tutors......
Rs. 500000*8%=40000 So, Can't any liabilities for the income. After deducting 80C and it's related it's going to 0.00 income. After its deal Nil return.....
For ex: Your income is Rs. 50,00,000 * 8% = 4,00,000 Basic Exemption : 250,000 - 400,000 = Rs. 150,000 - Deduction 80C Rs. 150,000 = After taxable income is 0