Hi Parth,
A great starting point if you wish to make customizations like adding your own styles is our Themer’s Guide and I would definitely recommend reading through it if you want to get a better sense of how things piece together 🙂
I have selected ‘Tribe Events Styles’ from the style options and I want to overwrite tribe-events-full.css from the resources folder to my theme folder.I have put it on the ‘tribe-events’ folder with same name.But it’s not working.
Overwriting it in this way isn’t possible, I’m afraid.
What you can do however is place a stylesheet named tribe-events.css in a tribe-events directory within your theme. If you really need to remove the original stylesheet you can do so by using WordPress’s wp_dequeue_style() function- but you may find it easier simply to override the specific styles you’re interested in and/or lower the stylesheet setting in Events → Settings → Display.
I hope that helps!