As you are searching for contact numbers of Account Section of IIT Bombay, so here I am providing contact numbers:

IIT Bombay Account Section Contact Numbers:
Name Office No Residence No
DY REGISTRAR (F & A) RAMESH P G 7950 8087
PA TO DY. REG. (F & A) 7951
ASSTT. REGISTRAR (F & A) AJAY PRASED 7952
ASSTT. REGISTRAR (F & A) MS. PREMA RAJAN 7954
ASSTT. REGISTRAR (F & A) ROMANI I. 7953 8008
DESPATCH UNIT 7913
EDP CELL 7959
FINAL ACCOUNTS UNIT I 7956
FINAL ACCOUNTS UNIT II 7928
MISC BILL UNIT I 7925
MISC. BILL UNIT II 7926
RBS UNIT I 7960
R.B.S. UNIT II 4069
SALARY UNIT I 7914
SALARY UNIT II 7967
SALARY UNIT III 7955
SALARY UNIT IV 7919
SCHOLARSHIP UNIT 4018
SCHOLARSHIP UNIT I 7962
SCHOLARSHIP UNIT II 4064
STORES BILLS UNIT I 7918
STORES BILL UNIT II 7958
WORKS BILLS UNIT 7961

Here I am giving contact numbers of Academic Section of IIT Bombay also for your reference:

IIT Bombay Academic Section Contact Numbers:
Name Office No Residence No
ACTG .DY. REGISTRAR (ACADEMIC) 7041 8034
PA TO DY.REGISTRAR (ACD) 7043
ASST. REGISTRAR V. G. KOWE 4042 8076
ASTT. REGISTRAR (P.G.) VINOD PRASAD 7042 8028
CONVENER (UGAPEC) 4009
OFFICE (UG UNIT) 7045
PA TO DY.REGISTRAR (ACD) 4065
PG UNIT OFFICE 7044
PHD ADMISSION 7066
SUPDT (PG UNIT) 7924
SUPDT. (PG UNIT) 7059
SUPDT (PG UNIT) 7046
SUPDT (UG UNIT) 7058
UG UNIT 4014
UG UNIT 4015
UG UNIT 4016

Address of Campus:
IIT Bombay, Powai, Mumbai 400 076, Maharashtra, India