Tata Sky — Unable to change the pack

I am tatasky and I am trying to modify the pack. I called tatasky customer service for change my pack however the toll free no is also not working. I am trying to change to new pack however the portal goes back to the old pack with more money. I have tried this multiple times every recharge but because the website is so complex and there is no customer care no. on which can seek guidance, its a criminal waste of our time and money. Kindly look into this matter and help resolve.