good if its rotating means engine have muscle. ...
the sump need to be opened sourced a fresh one from chah sultan in pindi,
mechanic shall see if there is any physical damange to oil pickup strainer, if it is intact,. simply wash clean with petrol spary use no brush or cloth or any item to clean.
use new ( sump ) gaskit and install the sump. - pour fresh engine oil wait 10 minutes then start the engine, check for any leakage at chamber ( sump ), use silicone gaskit to reseal it.
you are good to go