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National Institute Of Open Schooling (NIOS) Contact No.
Updated on Thursday, 14 August 2025 - 9:28am
Organization:
National Institute of Open Schooling (NIOS) Toll free Number(s):
1800 180 9393 (For Contact Support, Mon-Fri, 9am-5:30pm)
Website:
Official Website
Android App:
NIOS Niयमन (Niyaman) 