Hello ramkumarphp2016 & sureshkumar02,
Welcome to the PayPal Community! I hope things are going well for you. I'm not able to answer your questions directly, but here are some resources that may be helpful.
PayPal Merchant Technical Support (MTS) website - https://www.paypal-techsupport.com/
You may also contact MTS via Twitter - @PayPal_MTS
PayPal Developer website - https://developer.paypal.com/
I hope this information is helpful! Thanks for being a part of the PayPal Community!
Michael
PayPal_Michael
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