Which English form is correct:
if there is any changes or if there are changes ?

2
The word "changes" is a plural noun that needs a plural form of the verb. The noun and verb agree in the phrase "If there are changes"; therefore, this phrase is correct, unlike "If there is any changes."

if there is any changes

It's not correct. Don't use this phrase.
Since the word "changes" is a plural noun, it needs a plural form of the verb.
You can use this phrase when talking about whether there might be any changes to a situation. More...

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