423. Every appeal shall be made in the form of a petition in writing presented by the appellant or his advocate, and every such petition shall (unless the Court to which it is presented otherwise directs) be accompanied by a copy of the judgment or order appealed against.
Bharatiya Nagarik Suraksha Sanhita, 2023
Section 423: Petition of appeal
Chapter XXXI — Appeals
Source: official text of the Bharatiya Nagarik Suraksha Sanhita, 2023 (Ministry of Home Affairs).