Rto Mathura — Mv tax

Website:

www.vahan beta 4.0

I have a bus up85at6202. Acc. To govt. Order 2 months tax relaxation april 2020 may 2020.I surrender document 29 june 2020. I submit online tax 31 july 2020. Bt it calculate two months tax with penalty.I liable only 1 month tax.
In another vehicle follow same process up85bt2079. Same day surrender same day submit tax. Bt it pay offline tax.It calculate only one month tax without penalty.
So pls. Help in return 1 month tax and penalty.
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