This is an original PS3 Dualshock controller. I’ve worked on several of these. There are 2 of these controllers with small motherboards, 1 with small ic chips and one with bigger ic chips.
@Imtiyaz you can remove the analog stick with a small screwdriver, lift the ribbon away from the leg of the stick and you should see 4 small slots under the ribbon, use the small screwdriver and gently unsnap the stick from the plastic. If you dont have access to ebay you might try something like AliExpress. Hope this helps you out.
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