Explanation:

Section 464 of Indian Penal Code

464. Making a false document. A person is said to make a false document or false electronic recordFirst - Who dishonestly or fraudulently- (a) makes, signs, seals or executes a document or part of a document, (b) makes or transmits any electronic record or part of any electronic record; (c) affixes any electronic signature on any electronic record; (d) makes any mark denoting the execution of a document or the authenticity of the electronic signature, with the intention of causing it to be believed that such document or part of document, electronic record or electronic signature was made, signed, sealed, executed, transmitted or affixed by or by the authority of a person by whom or by whose authority he knows that it was not made, singed, sealed, executed or affixed; or Secondly - Who, without lawful authority, dishonestly or fraudulently, by cancellation or otherwise, alters a document in any material part thereof, after it has been made or executed either by himself or by any other person, whether such person be living or dead at the time of such alteration; or Thirdly - Who dishonestly or fraudulently causes any person to sign, seal, execute or alter a document, knowing that such person by reason of unsoundness of mind or intoxication cannot, or that by reason of deception practised upon him, he does not know the contents of the document or the nature of the alteration.

Explanation 1- A man’s signature of his own name may amount to forgery.

Explanation 2- The making of a false document in the name of a fictitious person, intending it to be believed that the document was made by a real person, or in the name of a deceased person, intending it to be believed that the document was made by the person in his lifetime, may amount to forgery.