just use your personal pan card to open a bank account, get a GST registration, do income tax audit and you will be done. No compliance, no nothing.
i do taxes and books for businesses with 250+ Crore turnover and they are all sole proprietorships. Why? the simple answer is why bother? you can have all the employees,all the corporate hierarchy and still be a proprietorship...
One part of the problem is all the professionals milking companies for "compliance management fees" but in the end of the day, my suggestion to businesses is unless you REALLY REALLY need a company, please don't bother