Hello Sir,
Kindly provide me list of features you would like to add in plugin along with specific brief about the plugin you are using so I can disclose my exact estimation for the project with you. Moreover, I am highly skilled in WP services such as WP Theme Customization/Development, WP Plugin Customization/Development, WP Website Enhancement, Responsive WP Website Development, 3rd party Integration, Debugging, Speed Optimization. etc and have experience of 6+ years in WordPress Framework.
I look forward to hear from you soon and willing to take this opportunity to build long term working relationship with you.
Kind Regards,
Manish Narola