Not able to cancel Porting Request From Jio To Airtel Within 24 Hours

I have applied for mobile number port from Reliance Jio To Airtel Yesterday. But, i want to cancel my porting request. I have tried calling Airtel and Jio Custome Cares, Airtel Retailer Helplines, etc. But, no body is giving expected response.
As far as i know, a customer can cancel mnp request within 24 hours of application.
Please do the needfull.
Mobile Number i am porting from Jio to Airtel - 9996943996

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