Rupeeredee — Cibil update and NOC letter

I have a loan from rupeeredee and paid all amount and got waived of 3000 rupees from their executive and they told me noc letter will be issued within 6 days on my register email but but i have no received noc letter from them and when i told for noc letter they told me your laon was settled and i also paid waived off amount for settlement removal...but they are not providing noc letter.