IBPS Clerk Mains 29 Nov 2025 Paper

Concept:The UDID card is a lifetime identity document for Persons with Disabilities (PwDs), containing a fixed $18$-character unique identification number.Explanation:The UDID card issued by the Department of Empowerment of Persons with Disabilities contains exactly $18$ digits/characters.Its structure is designed for regional and individual identification:The first $2$ characters represent the State Code.The next $2$ digits denote the District Code.The following $1$ digit is the Chief Medical Officer (CMO) Code.The next $2$ digits classify the Disability Type.The subsequent $4$ digits indicate the Year of Birth of the cardholder.The next $6$ digits serve as a Running Number for sequential uniqueness.The final $1$ digit is a Checksum for error detection and security validation.Adding these components: $2 + 2 + 1 + 2 + 4 + 6 + 1 = 18$.Thus, the complete UDID number contains $18$ characters overall.Answer:Option D. $18$