If you have done recharge on your TataSky DTH Account and you are not able to view channels then simply Refresh your Tatasky DTH Setup Box by Giving a Missed Call. See below How to refresh Tata Sky account.
Refresh Tatasky DTH
From your Registered Mobile Number with TataSky Account give a missed call to 9040590405.
You can also give missed call to 09040590405 If you are unable to view the services post resumption of your TataSky DTH Account.
or If you are unable to view any channels after recharging your account, then also this Tatasky Refresh missed call number works.
You can also Refresh your TataSky Account by usin Tata Sky WhatsApp Chat Service, check this link.