What you can do is, surrender the Airtel service and take Tata Sky.
You can of course use the same cable running from the dish to the STB.
You have to check with TataSky if you can continue to use the same LNB.
There should be no problem with the dish.
Can I change Dish TV to Tata Sky?
now you can change your DTH operator without changing your old set top box. Change Tata Sky to Dish TV, Dish TV to Tata Sky, what is TRAI Dth rule for DTH portability. If you have old setup box then no need to buy any new setup box from other operator.
Can I change my DTH operator?
with current STB Portability of DTH operator is not possible. For example “ if a person buys a set top box of airtel digital TV, he can only watch the channels of Airtel. But with a new device to be launch, by which a person can easily shift from one dth service to another without changing or buying a new set top box.”
Is Tata sky better than Airtel digital TV?
We can see that Airtel Digital TV is better than Tata Sky in almost each area. Hardware and software is same in both DTH services. User interface is also same but Airtel Digital TV has some plus points such as universal remote, more TV channels, etc which make Airtel DTH better than Tata Sky.
How can I change my Airtel digital TV pack?
Airtel Digital TV Plan Change Step 3: Enter the OTP and log in to your airtel account. Airtel DTH Plan Change Step 4: Select the DTH symbol on the left hand side and then go to the ‘Connections’ tab. Airtel DTH Package Change Step 5: Select the ‘Change Base Pack’ option.