Telegram Username Phone Number Lookup

I need the phone number linked to a single Telegram username. My goal is purely verification, so the number must be accurate and in service. I have no fixed tools in mind and will rely on your recommendations—scripts,... (Budget: ₹1500 - ₹12500 INR, Jobs: Data Analysis, Data Collection, Data Extraction, Data Integration, Data Management, Data Mining, Data Processing, OSINT)