Hi @hemantathod1590, sorry to hear that you have faced this issue. The product page link is giving 404 error.
We have checked this on our end, didn’t face any issue.
It seems like there is some error in your site caused due to plugin/theme conflict, which is causing this issue. Can you please check the console of the browser. You may find steps on how to do that in step #3 of the article on JavaScript debugging (https://codex.www.ads-software.com/Using_Your_Browser_to_Diagnose_JavaScript_Errors#Step_3:_Diagnosis).
Alternatively, Disable all the plugin except WooCommerce and WC Catalog Enquiry for testing purposes and check again. If the issue still exist, please switch to some default theme like Twenty Sixteen and check again.
Let us know the result so we can help you out further.