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SEBI ICDR Regulations: Public Issue Process, Red Herring Prospectus and Allotment

SEBI ICDR Regulations 2018 govern the process for public issues (IPO/FPO) in India. Learn the DRHP filing, red herring prospectus, book-building price discovery, ASBA, anchor inves...

TaxClue Team Tax & Compliance Expert
4 min read 140 views Updated Aug 23, 2026
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Last updated: August 2026Verified against: Government sources
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SEBI ICDR Regulations 2018 govern the process for public issues (IPO/FPO) in India. Learn the DRHP filing, red herring prospectus, book-building price discovery, ASBA, anchor investors, and allotment rules.

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SEBI (Issue of Capital and Disclosure Requirements) Regulations 2018 (ICDR) govern the public issue of securities (IPO, FPO, rights issues, bonus issues) by listed and unlisted companies in India. An IPO (Initial Public Offering) brings private company shares to public markets for the first time.

Types of Issues Under ICDR

TypeDescription
IPO (Initial Public Offer)First-time public offer by an unlisted company
FPO (Follow-on Public Offer)Subsequent public offer by a listed company
Rights IssueOffer to existing shareholders in proportion to holding
OFS (Offer for Sale)Existing shareholders selling shares (no fresh capital raised)
SME IPOIPO on SME platform (BSE SME/NSE Emerge) for smaller companies

IPO Eligibility Requirements

For Main Board IPO

  • Net tangible assets ≥ Rs.3 crore for 3 years (or Rs.15 crore average EBITDA for 3 years), OR
  • Net worth ≥ Rs.1 crore in each of the 3 preceding years, OR
  • Profitability: Net profits from operations in at least 3 of the immediately preceding 5 years, OR
  • QIB route: Mandatory allotment of 75% to QIBs (for loss-making companies)

IPO Process Timeline

  1. Appointment of intermediaries: Investment bank (lead manager/BRLM), registrar, legal counsel, auditors
  2. Due diligence and DRHP preparation: 3-6 months typically
  3. DRHP filing with SEBI: Lead manager files Draft RHP; SEBI observes within 30 days
  4. SEBI observations/comments: Company responds, incorporates changes
  5. RHP filing with SEBI/ROC: Final Red Herring Prospectus filed; price band added
  6. Roadshow: Management meets institutional investors; 2-3 weeks before opening
  7. Anchor investor allocation: 1 day before IPO opens
  8. IPO open period: 3 working days
  9. Basis of allotment: 6 working days after close; published in newspapers
  10. Listing: On NSE/BSE within 6 working days of issue close

Price Band and Book Building

  • Price band = cap/floor ratio not more than 1.2× (e.g., floor Rs.100, cap Rs.120 max)
  • Investors bid at any price within the band or at the cut-off price
  • Issue price = "cut-off price" = highest price at which entire issue is subscribed
  • All applicants who bid at or above cut-off price are allotted at the cut-off price

Issue Allocation

CategoryAllocation
QIBs (banks, FIIs, MFs, insurance companies)50% (at least)
Non-Institutional Investors (NIIs / HNIs) — above Rs.2 lakh15%
Retail Individual Investors (RIIs) — up to Rs.2 lakh35%
Employee Reservation (optional)Up to 5% of issue size
Anchor investors (subset of QIB)Up to 60% of QIB portion

DRHP Mandatory Disclosures

  • Company history, promoter background, group companies
  • Risk factors (prominently disclosed, specific and quantified where possible)
  • Objects of the issue: use of IPO proceeds (specific projects, working capital)
  • Financial statements: last 3 years audited; 6 months interim for recent period
  • Related party transactions (RPTs) for 3 years
  • Legal proceedings outstanding and contingent liabilities
  • Promoter selling shares (OFS component) — lock-in obligations

Lock-In Requirements Post-IPO

  • Promoters' minimum 20% contribution: locked for 3 years from allotment date
  • Promoters' remaining shares: locked for 1 year
  • Pre-IPO shareholders (investors, ESOP holders): 6 months lock-in
  • Anchor investors: 30 days lock-in

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Key Facts About SEBI ICDR Regulations

  • Applies in: All states across India, under the relevant central law.
  • Mode: Mostly online via the official government portal.
  • Typical timeline: Ranges from a few days to a few weeks depending on the case.
  • Non-compliance: May attract penalties, interest or late fees.
  • Expert help: TaxClue completes the entire process end to end for you.

What is DRHP in an IPO?

Draft Red Herring Prospectus (DRHP) is the preliminary prospectus filed with SEBI before the IPO. It contains company details, financials, risk factors, use of proceeds, and offer structure — but the price band and final issue size are not disclosed. SEBI reviews DRHP within 30 days.

What is the book-building process?

A price discovery mechanism where investors bid within a price band set by the company. The final issue price is determined based on demand. 90% of the issue must be allotted in book-building; 10% at a fixed price (for QIBs in some cases).

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SEBI ICDR Regulations: a key compliance topic in Indian tax and corporate law that businesses and individuals must understand to remain compliant.

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Frequently Asked Questions
What is DRHP in an IPO?
Draft Red Herring Prospectus (DRHP) is the preliminary prospectus filed with SEBI before the IPO. It contains company details, financials, risk factors, use of proceeds, and offer structure — but the price band and final issue size are not disclosed. SEBI reviews DRHP within 30 days.
What is the book-building process?
A price discovery mechanism where investors bid within a price band set by the company. The final issue price is determined based on demand. 90% of the issue must be allotted in book-building; 10% at a fixed price (for QIBs in some cases).
Who are anchor investors in IPO?
Anchor investors are QIBs (Qualified Institutional Buyers) allotted shares at the anchor price (usually cap of price band) 1 day before the IPO opens. They provide price discovery confidence. Minimum Rs.10 crore per anchor investor, max 60% of QIB portion.
What is ASBA in IPO application?
Application Supported by Blocked Amount (ASBA) — IPO applicant submits application with bank blocking (not debiting) the application amount. Amount is debited only upon allotment. Mandatory for all IPO applicants since 2016.
What is the minimum application lot size?
As per SEBI ICDR: Minimum application amount must be Rs.10,000–Rs.15,000 (determined by issuer). Lot size is designed so that minimum allotment is Rs.10,000–Rs.15,000 worth of shares at the issue price.
What is the allotment basis for retail investors?
Retail Individual Investors (RIIs) who apply for up to Rs.2 lakh. If oversubscribed: computerized lottery for allotment. 35% of issue reserved for RIIs; 15% for Non-Institutional Investors (NIIs); 50% for QIBs.
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Disclaimer: This article is for general informational purposes only and does not constitute professional tax, legal or financial advice. Laws, rates and due dates change and can vary by individual case — always verify with the relevant government source (e.g. mca.gov.in, incometax.gov.in) or consult a qualified professional before acting. TaxClue accepts no liability for decisions taken based on this content.

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