No this time teletalk give a option in teletalk sim you can get emergency balance in emergency time.
When you used fully main account balance you need to balance you can get emergency balance.
To get teletalk emergency balance dial *1122#
Or go to sms option and type ” YES” send to 1122…
To get more information click in this link Teletalk emergency balance http://bit.ly/2gwRmL3