Under the current NICS system, buyers may be denied the purchase of a firearm for reasons such as being indicted or convicted of a felony, admitting to being addicted to a controlled substances, having been dishonorably discharged from the Armed Forces, being subject to a restraining order, as well as other regulations.
Indian politicians are addicted to a tax-and-subsidy regime of bewildering complexity, and deterred from tampering with it by a crowded electoral timetable.