Complaint filing procedure requires Form A, supporting evidence, fee details, confidentiality choice, and verification declaration. Complaint filing under the Grievance and Complaint Handling Procedure requires a prescribed Form A containing the complainant's identity, contact details, and, where applicable, the authorised representative's particulars and authorisation. The form also requires identification of the service provider or associated person complained against, including available identity and address details, and a narration of the alleged contravention of the Code, rules, regulations, guidelines, circulars, or directions, with the exact provision invoked and the date, place, and manner of the impugned conduct or activity. The form heading for complaint against a service provider or associated person is noted as omitted.