Professional tax isn't exclusive; it applies to all, including freelancers and business owners.
It's imposed by state governments on individuals surpassing a specified income threshold.
Unlike income tax, it's solely for state revenue and is allocated to public welfare projects.
Employers deduct it monthly from employees' salaries and remit it to the state treasury.
Rates vary across states; Maharashtra's slabs range from nil to INR 200 per month.
Non-registration can lead to penalties, including fines and interest charges.
Payment modes include online and offline, with filing frequency determined by state laws.