Sindh govt asks NCOC to block sims, social media accounts of unvaccinated people By In the first phase, the govt would issue a warning message to unvaccinated people. Following the first warning, social media accounts of unvaccinated people would be blocked. In Phase-III, outgoing calls will be blocked, while in the fourth stage, the SIM will be completely blocked till the person gets inoculated. The Sindh government on Saturday officially asked the National Command and Operation Centre (NCOC) to block the sims and social media accounts of unvaccinated mobile phone users, reported The News. In a letter, the Sindh Government informed the national coordinator of the NCOC about the decision of the blocking of mobile sims taken during the Provincial Corona Task Force meeting, held under the chairmanship of Chief Minister Murad Ali Shah.