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Companies Act basics

Commerce (General / Accounting and Finance / Banking and Insurance) (B.Com) · Law and audit · free study notes for exams, placements and interviews

In short

The Companies Act, 2013 is the central law that governs how companies in India are formed, financed, managed and closed, replacing the Companies Act, 1956. It gives a company separate legal personality, limited liability, perpetual succession and a transferable interest, and in exchange imposes disclosure, audit and governance duties administered by the Ministry of Corporate Affairs (MCA) through the Registrar of Companies (ROC), with disputes before the NCLT. B.Com and BAF students meet it in Business/Corporate Law and Auditing papers; CA, CS and CMA papers test it heavily. Employers test it in placement rounds for audit, secretarial, compliance, banking credit and accounting roles, because every entry, filing and audit opinion ultimately rests on these provisions.

Explained

Nature of a company and key doctrines

Classification of companies

Formation and incorporation

  1. Promotion: promoter (Sec. 2(69)) conceives the idea, arranges resources and takes preliminary steps; owes fiduciary duties and must disclose secret profits.
  2. Name reservation: through SPICe+ Part A on the MCA portal — the name must not be identical or undesirable.
  3. Documentation: SPICe+ Part B with e-MoA (INC-33), e-AoA (INC-34), AGILE-PRO-S (GST, EPFO, ESIC, bank account, profession tax), declarations in INC-9, DIN for directors, DSC for signatories.
  4. Certificate of incorporation (Sec. 7(2)) with CIN; conclusive evidence of registration. PAN and TAN are issued with it.
  5. Declaration before commencement of business (Sec. 10A): a company with share capital files INC-20A within 180 days confirming subscription money received and registered office verified.
  6. Registered office (Sec. 12): in place within 30 days of incorporation and at all times thereafter; INC-22 filing; name, address, CIN, phone, e-mail, website on letterheads and business letters.
  7. Pre-incorporation contracts do not bind the company (it did not exist) unless ratified/adopted under the Specific Relief Act, 1963; provisional contracts of a public company before Sec. 10A compliance.

Memorandum, articles and prospectus

Share capital, members and dividends

Management, meetings and accounts

Key points

Formulas and examples

CSR obligation = 2% × (average net profit of the 3 immediately preceding financial years, computed under Sec. 198)
Buy-back fund ceiling = 25% × (paid-up capital + free reserves); equity bought back in a financial year ≤ 25% of paid-up equity capital; post buy-back, secured + unsecured debt ≤ 2 × (paid-up capital + free reserves)
Special resolution passed if votes in favour ≥ 3 × votes against (i.e. ≥ 75% of votes cast, abstentions ignored)
Subsidiary test: holding > 50% of total voting power OR control of composition of the Board
Additional fee on late annual ROC filing = ₹100 × number of days of delay (per form)
Paid-up capital = called-up capital − calls in arrear

Example 1 - CSR applicability and amount. A company has turnover ₹1,200 crore, net worth ₹300 crore and net profits of ₹6 crore, ₹9 crore and ₹12 crore in FY 2022-23, 2023-24 and 2024-25.

Example 2 - Buy-back limits. Paid-up equity capital ₹50 lakh, free reserves ₹150 lakh, existing total debt ₹300 lakh.

Example 3 - Special resolution count. 10,000 equity shares, one vote each. At an EGM, holders of 6,000 shares attend; 4,700 vote in favour, 1,200 against, 100 abstain.

Example 4 - Late filing fee. AGM held 25 September 2025. AOC-4 due within 30 days = 25 October 2025; filed 10 December 2025.

FeaturePrivate companyPublic companyOPC
Minimum members271
Maximum members200No limit1
Minimum directors231
Share transferRestricted by AoAFreely transferableNot applicable
Public issue / prospectusProhibitedPermittedProhibited
Board meetings a year4 (2 if small/OPC)42, with a 90-day gap
AspectMemorandumArticles
PurposePowers and objects, relation with outsidersInternal rules of management
StatusSupreme charterSubordinate to the MoA
AlterationSpecial resolution (+ CG/ROC approval in some cases)Special resolution
BreachUltra vires the MoA - void, not ratifiableCan be ratified by members

Where it is used

Interview questions

Common mistakes

Related topics

Indian Contract Act basics · Auditing basics · Insolvency and Bankruptcy Code basics · Internal control and internal audit · Corporate accounting: shares and debentures · SEBI regulations and corporate governance

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