IPS Line of Command goes like this..
Assistant Superintendent of Police: Probationary Rank 1 (Training 1st year)
Assistant Superintendent of Police: Probationary Rank 2 (Training 2nd year)
Deputy Superintendent of Police (or) Assistant Commissioner of Police
Additional Superintendent of Police (or) Additional Deputy Commissioner of Police
Superintendent of Police (or) Deputy Commissioner of Police
Senior Superintendent of Police (or) Deputy Commissioner of Police
Deputy Inspector General of Police (or) Additional Commissioner of Police
Inspector General of Police (or) Joint Commissioner of Police
Additional Director General of Police (or) Commissioner of Police
Director General of Police (or) Commissioner of Police
And our Sylendrababu sir is at ADGP level, Coastal Security division, currently guarding our Tamilnadu state from Pulicat to Kolachal.
Hope that solves your doubt.
Additional reference:
https://en.wikipedia.org/wiki/List_of_p ... s_in_India