.
Non-Recharge top up amounts are available via Paytm, Payzapp, Amazon, etc.,.
Freecharge is an exception. Also Amazon's minimum possible top up amount is Rs.50.
Paytm has topup amounts that are not available even in the Sun Direct website/app.
I have topped up with Rs.35, 40, etc, using Paytm.
Available Top Up Amounts (Paytm):
5
10
15
20
25
30
35
40
45
50
100
200
500
Sun Direct Online Recharge - Paytm offers online prepaid recharge for Sun Direct DTH users through Credit Card Debit Card or Netbanking. Paytm offers 100% Secure & 24*7 Online Recharge for Sun Direct DTH .
paytm.com