What is the purpose of the newly introduced "DIGIPIN (Digital Postal Index Number)" system by the Department of Post?
1
To replace traditional postal codes with a new 5-digit code
2
To provide an offline addressing reference system using unique 10-digit alphanumeric codes
3
To categorize postal addresses by zip codes
4
To enable online tracking of parcels across India
5
To create a digital map of India’s postal zones