QUES: Any transmission of data is undertaken at your own risk

correct the punctuation.

CORRECTED: Any transmission of data is undertaken at your own risk.

QUES: Also it got the enemy and by accident also own people to die or be suffering from terrible skin diseases

correct the punctuation.

CORRECTED: Also it got the enemy - and by accident also own people - to die or be suffering from terrible skin diseases.

QUES: I study Mathematics as a product of the human mind not as absolute

correct the punctuation.

CORRECTED:
I study Mathematics as a product of the human mind not as absolute.