OBS_VALUE: <ul><li><a href=https://www.trai.gov.in/sites/default/files/QPIR_05052022.pdf target=_blank>The Indian Telecom Services Performance Indicators Report October - December, 2021(Period: October - December, 2021; Published on 04/05/2022;Chapter 1; Pg 24-26, Table 1.20 and 1.21)</a></li></ul>