SO Full Form in Post Office is Sorting Officer in the Indian Post Office. These officers are responsible for the sorting and categorization of mail and parcels within the postal system. They work in various capacities across different levels of postal operations, from local post offices to larger sorting centers.

Roles and Responsibilities of SO:

1. Sorting of Mail: One of the primary responsibilities of an SO is to sort incoming and outgoing mail. This involves categorizing letters, parcels, and other items based on their destination, postal code, or specific sorting criteria.
2. Efficient Handling: SOs ensure that mail is handled efficiently to minimize delays and ensure timely delivery. They organize the flow of mail within the postal system, coordinating with other postal staff to streamline operations.
3. Quality Control: SOs are responsible for maintaining the quality of mail sorting operations. They ensure that mail is sorted accurately and according to established standards to avoid misdeliveries or errors.
4. Supervision: In larger sorting centers, SOs may oversee teams of postal workers involved in sorting operations. They provide guidance, training, and supervision to ensure that all tasks are performed effectively.
5. Customer Service: SOs may also interact with customers, addressing inquiries, providing assistance, and resolving issues related to mail delivery and sorting.
6. Record-Keeping: They maintain records of sorted mail, including tracking information, delivery status, and any incidents or discrepancies encountered during the sorting process.

7. Adherence to Regulations: SOs ensure compliance with postal regulations and procedures to uphold the integrity and security of the postal system. This includes handling sensitive or regulated mail items according to established guidelines.