HDFC Bank — I'm complaining about my salary account changed it to saving account without any notification

Address:

5/516 Vighnaharata building,G.D Ambekar marg, kalachowki

I have created salary account in HDFC bank with 0 zero account balance. suddenly I got penalties on my accounts and HDFC bank deducted 4, 500rs from my salary account. Then I researched that HDFC bank convert my salary account into Saving account because I didn't use my salary account for a times.so last month I got a new job, and they cut AMD CHRG INCL GST FROM MY salary account. pls tell me what to do now they almost charge half of my salary.