PAYTM.COM not refund my full money ….

Paytm not give me the full money as rs 828.
they return only rs 728 , mean they not give rs 100..

so many time i contact with information & proof to there’s customer service provider .. but they not reply me nor give my money..

sir do something ..
at below, there are detail of Transaction History..

”
2014-10-07 13:02:07
Restored against failed order +Rs 828
Zovi Order #14092621442201160 SUCCESS
Paytm Cash Txn ID 55F3EB069F1F78DA
”
but get only rs 728, rs 100 missing.