| Eligibility | Eligibility norms are a bit more complicated compared to SME to ensure that competent companies are given the access to stock exchange | Eligibility standards are very relaxed when compared to routine IPO | 
| Paid up capital | After concern the face value of the paid up capital must be Rs.10 crores at least. | Post concern, paid up capital ought to not go beyond Rs. 25 crores. | 
| Minimum number of allottees | There ought to be at least 1000 allottees | Ought to be at least 50 allottees | 
| IPO Application size | Between Rs.5,000– Rs.7,000 | At least Rs.1,00,000 | 
| Draft Red-herring prospectus– DRHP | In a primary board IPO, DRHP is filed with SEBI for vetting | Observations on DRHP are done by the stock exchange itself | 
| IPO Grading | Grading of IPO by the rating agencies registered with SEBI is mandatory | Grading is not mandatory | 
| Under composing | Compulsory except in the events where 50% of the total concern is provided for required membership by Qualified institutional buyers (QIB) | IPO is underwritten 100% with 15% being on the books of merchant bankers | 
| Track record | 3 years track record of success | Running capital must be positive for the previous 2 years | 
| Market making | Post problem, market making is not obligatory | Market making is obligatory to make the securities more liquid | 
| Corporate governance | Provision 49 of the listing agreement will be applicable | Clause 49 of the listing arrangement will be applicable | 
| Reporting requirements | Quarterly audited accounts must be submitted | Half yearly audited accounts need to be submitted | 
| Focus | Main board IPO focuses more on institutional and retail investors. | Focused on institutional & High net worth people |