Telegram Username Scraping Needed -- 2

I have 10 (ten) Telegram groups / channels whose member usernames I need extracted in full. Once we begin I will send their exact names so you can join or query them and run the scrape.

Please use any reliable method—custom Python script, Telethon, Pyrogram, or a purpose-built bot—so long as it respects Telegram rate limits and privacy rules. I’m only after the public profile usernames; no phone numbers or private data should be touched.

Deliverables (all mandatory)
• One Excel spreadsheet containing a separate sheet for each group / channel, with columns: Username, Display Name, if available, User ID and Name of Channel it has been sourced from.
• A brief note on the tool or script version used so I can reproduce the results later.
• Confirmation that all data was obtained in accordance with Telegram’s terms and that no group rules were violated.

This is a straightforward scrape, so once you have access the turnaround should be quick. Confidentiality is crucial: do not reuse or share the data. I’ll release payment once I verify the counts match the visible member lists.