More than 1.2 million students from nine general education boards, the madrasa board and the technical education board registered for the exams
Users shared on social media screenshots of what they saw upon visiting the site on Saturday afternoon - a notice saying “Hacked by Russian Hackers”.
Teletalk Managing Director Md Shahab Uddin later said the site came back online with the usual look at 7:42 pm.
Teletalk developed a nationwide mobile network around in 2004. Currently, it has about 6.3 million users, which is about 3 percent of all mobile phone users of the country.