HDFC Bank — Loan settlement

Hi iam sikandar sharief iam a customer of hdfc from 8 years and i have taken 3 loans and cleared and after lockdown one loan was partially paid and it was not paid completely due to financially concern and no job later they gave me a settlement of rupees 1lac65k in March 2023 and as per letter need to pay 41k in 4 emis i paid 35k and emailed bank manager asking tht i wl make remaining including in next emi but he said letter will cancel i wl raise a new letter by reducing this amount but now he is not responding and i am getting extortion calls that they wl visit near my work space and harras infront of all kindly look into this and help me after paying the 35k 1 week before they are doing