I pay 529 yearly to Truecaller for these banks. ICICI, HDFC,Paisabazar made my life hell by calling morning, evening, night .
Then I decided to go Truecaller premium, I blocked the total series of their promotional number.
In addition, I have disabled 90% of the app's notification. I receive Only 1-2 notification everyday now, zero junk/spam calls. I have also unsubscribed from promotional emails as much as possible except Yono SBI (they just don't stop spamming).
Now, I am living happily. In this digital era mental peace is very important