The Day before Ashura is on the ninth day of Muharram in the Islamic calendar and marks a very important day as martyrdom of Hussain Ibn Ali is observed. Government ban mobile services to avoid any act of violence and terrorism in the country.
Source
https://twitter.com/geonews_urdu/status/657470714291834880
https://twitter.com/geonews_urdu/status/657470714291834880
https://twitter.com/geonews_urdu/status/657470365346713600
https://twitter.com/geonews_urdu/status/657468613142646784
https://twitter.com/geonews_urdu/status/657468613142646784
https://twitter.com/geonews_urdu/status/657470365346713600
https://twitter.com/geonews_urdu/status/657468613142646784
https://twitter.com/geonews_urdu/status/657470365346713600
https://twitter.com/AbbTakk/status/657469422261571584/photo/1
http://www.samaa.tv/pakistan/2015/10/mobile-phone-service-suspended-in-karachi/
https://twitter.com/AbbTakk/status/657469422261571584/photo/1
http://en.dailypakistan.com.pk/pakistan/mobile-phone-internet-services-suspended-amid-ashura/
http://neonetwork.pk/sindh-govt-imposed-pillion-riding-ban-in-karachi-other-sindh-districts/
TV channel
Internet service of all network closed (TV Channel)
2015 Timeline