Private company Meaning: - a company whose shares may not be offered to the public for sale and which operates under legal requirements less strict than those for a public company.
A private limited company is a type of privately held small business entity. This type of business entity limits owner liability to their shares, limits the number of shareholders to 200, and restricts shareholders from publicly trading shares.

Definition: - As per Section 2(68) of Companies Act, 2013, A private company" means a company having a minimum paid-up share capital as may be prescribed, and which by its articles –
(i) restricts the right to transfer its shares;
(ii) except in case of One Person Company, limits the number of its members to two hundred:

Provided that where two or more persons hold one or more shares in a company jointly, they shall, for the purposes of this clause, be treated as a single member:

Provided further that—
(A) persons who are in the employment of the company; and
(B) persons who, having been formerly in the employment of the company, were members of the company while in that employment and have continued to be members after the employment ceased, shall not be included in the number of members;
(iii) prohibits any invitation to the public to subscribe for any securities of the company;

Public Limited Company: - a company registered under the Companies Act with statutory minimum capital requirements and shares offered to the public subject to conditions of limited liability. A Public Limited Company can be either an unlisted or listed company on the Stock Exchanges.

Definition: - As per Section 2(71) of Companies Act, 2013, "public company" means a company which —
(a) is not a private company and
(b) has a minimum paid-up share capital, as may be prescribed

Provided that a company which is a subsidiary of a company, not being a private company, shall be deemed to be public company for the purposes of this Act even where such subsidiary company continues to be a private company in its articles.

Documents and Other Details For Registration Of Private Limited Company and Public Limited Company :
• Some options for name of the proposed company
• Amount of Share Capital and also the proposed ratio for holding the shares.
• A passage explaining the proposed objects of the Company.
• City of Registered Office of the company.
• Multiple Copies of PAN Card of directors along with the shareholders.
• Copy of latest serviceableness bills, for example electricity bill or telephone bill as proof of registered office.
• Any other address proof for directors as well as shareholders (like: Driving License, Passport, or Voter ID)
• Occupation of directors as well as shareholders.
• E-Mail Ids and Phone number of all directors and shareholders.
• Photographs of all directors and shareholders.
• Duplicate of rent accord along with No Objection Certificate (NOC) from the landlord (if in case the office premise is rented).
• Subscriber Sheets of MoA and the AoA.