The Delhi government has increased the operational time of COVID-19 vaccination centres in the city from tomorrow. One-third of these centres in the national capital will be operational round the clock. Earlier, all vaccination centres in the city used to work from 9 am to 9 pm. <br />''<br />''<span style="color: #222222;">Now, one-third of them will remain open from 9 pm to 9 am. Delhi Health Department has issued an order in this regard saying the decision has been taken to accelerate the pace of COVID vaccination.</span><br />