any reliable database editing service like Wiley's editing service. However, this choice is quite costly (may cost you around 500-800 USD). Also, some software options that use artificial intelligence like "Grammarly" could also be employed. However, the software are not available n Pakistan. Finally, if you have a coauthor who is from a top university or has funding then you may ask him for this contribution. Otherwise, you may invite a foreign author like that.
I can refer and recommend you to one editing and Proof reading services company in Pakistan. You can Email your manuscript to [email protected]. They have experienced pool of Professional academic editors / Proof readers to help you provide desired services on affordable price. Price vary for BS, MS and PhD level manuscript. Contact: 0314-5790416.
As the owner of The Science Editorium, I'd like to suggest that you give us a try. But here is the thing, we don't let clients pay for our editing and proofreading.
We are so confident that our health check and concierge services are better than proofreading and editing, IF your manuscript is rejected because of the quality of the English language, we will edit your manuscript for free.
Muhammad Shakil Ahmad, I can highly recommend Academic Language Experts. You can find a description of their proofreading services here. https://www.aclang.com/editing-service/