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This is the insides of PC. So would that be enough for 1060 sc to be not overheated and enough space for it to fit in and stuff like that
That looks like a very old case. The GPU will definitely fit without a problem, but you might be experiencing temperatures at around 75-80 degrees celsius while gaming because the airflow doesn't seem that great on that case.
If you can, I would suggest upgrading your case to something more airflow-friendly and preferably with some dust filters as I also noticed that it's pretty dusty in there. You might want to check out the Phanteks P300 at 59$ or probably a cheaper model from Corsair at about 40$ like The Carbide/Spec series. I would personally even suggest dropping down to the GTX 1050Ti and use the extra money for the case (better to have a 1050Ti for 3-4 years than a 1060 for only 2-3 years), but that's up to you.
If you can't or don't want to buy a new case, I really suggest you take some time to carefully clean everything, fans, corners, outside, etc... as all of these things will affect airflow.
Also, can you tell me more about that fan that's on your CPU? It doesn't seem to be mounted properly.