I have also shifted from TS to airtel because of this reason only. I had also availed same BB offer. I was also not getting some HD channels.
I would suggest you to call CC or drop mail on CC or nodal officer and ask them to reverse amount of MyHome Max of rs 95 in your account and you'll also be having rs 131 as balance in your account. So tota; comes to be rs 226(131+95) and then they should activate your Max HD plan for Rs 225/=.
I had done the same.
BB team by default activates MyHome Max HD which contains less channels. And they rechg the amount with more money but activate lower plan.