IndiaBulls — Dhani Refund not received yet it has been more than 3 months

On 7feb I was made a transaction to pay the emi of dhani one freedome of rupee 1200 the transaction was successful from my side but dhani is saying the trsaction was failed you will get refund of it but it has been more then 3months still I didn't receive my refund . Mailed to the dhani support but they are directly closing the case without providing me refund I mailed them more then 12 time but still I didn't got my refund .
UPI refrence I'd.[protected]
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