Testing a person in terms of loyalty, behaviour, habits, lifestyle, social status has become the demand of time if you want a person for the rest of your life. There is nothing wrong and it is absolutely valuable if you want to take the most important step of your life. Since this is the technical era and no one is perfect here but at least you should choose the one who stays loyal to you.  And also the one who must have certain features about which you stay doubtful when it comes to marriage.  All these factors need to investigate before marriage. There are various Private Investigator Gurgaon who provide 24/7 surveillance as per the requirement of the situation. They provide the most relevant report in a short interval.