div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=bharat-sanchar-nigam-limited-started-the-indian-telecom-revolution-in-1850-in-1990shtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Bharat Sanchar Nigam Limited€¦ · started the Indian telecom revolution in 1850 In 1990s BSNL took charge of the telegram services from the department of posts With SMSs emails loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsmxreader034viewer20220501195f4f49532afa395c63033da3html5thumbnails1jpg width=140 height=200 divdiv
