According to the Metropolitan Region Development Authority(MMRDA) , the two new Mumbai Metro lines 2A (Dahisar to Andheri West DN Nagar) and 7 (Dahisar East to Andheri East) are expected to be fully operational in January 2023
The entire civil work, as well as system works of both the metro lines, have been completed, the MMRDA said in a release. “The entire civil work and the system works of the metro lines have been completed and soon the second phase of the metro 2A and 7 will be in service of Mumbaikars,” said SVR Srinivas, metropolitan commissioner of MMRDA
https://swarajyamag.com/news-brief/mumbai-metro-line-2a-dahisar-to-andheri-west-dn-nagar-and-line-7-dahisar-east-to-andheri-east-to-be-fully-operational-soon
Source: Swarajya