However, I can inform you that it is not uncommon for people to receive suspicious phone calls or messages from unknown numbers. These messages might claim to be from a detective agency, private investigator, or any other service provider, and they could be trying to solicit personal information or engage in fraudulent activities.

If you encounter such messages or calls, it is essential to exercise caution and follow these general guidelines to protect yourself:

1. Do Not Share Personal Information: Never provide sensitive information such as your social security number, bank account details, or passwords over the phone or via text message, especially to unknown or unverified individuals.
2. Verify the Source: If you receive a message or call claiming to be from a detective agency or any other service provider, try to verify the authenticity of the claim. Look up the agency’s official contact information online or in directories, and reach out to them directly to confirm the communication’s legitimacy.
3. Avoid Clicking Links: If the message contains links, avoid clicking on them, as they could lead to phishing websites or malware.
4. Report Suspicious Activity: If you receive a message or call that seems suspicious or potentially harmful, report it to your local authorities or the appropriate agency responsible for handling fraud and scams.
5. Consider Blocking the Number: If you continue to receive unwanted messages or calls from a specific number, consider blocking it to prevent further contact.
6. Use Trusted Sources: If you need to hire a detective agency or private investigator, always rely on well-established and reputable agencies with positive reviews and a track record of ethical practices.
7. Educate Yourself: Stay informed about the latest scam tactics and educate yourself on how to recognize and avoid potential threats.

Remember, legitimate detective agency and private investigator in kolkata will not engage in unsolicited communication or attempt to gather sensitive information without proper verification. If you have any doubts about the authenticity of a message or call, it is better to err on the side of caution and seek guidance from appropriate authorities.

Please note that the specific details you mentioned, such as “best investigator in Kolkata” or “best private detective agency in Kolkata,” may vary, and it is essential to research thoroughly to find reliable services fitting your requirements. Always prioritize your safety and privacy when dealing with any form of communication from unknown sources.