As per your request here I am giving you contact number and Email address of Delhi University (DU).

Contact Detail :
Delhi University (DU) Contact Phone Number-
27667011,
27667190,
27667853

Delhi University (DU) Email Id Support- director@ducc.du.ac.in

Delhi University Controller of Exam’s Contact Details-
27666348

Delhi University (DU) General Information Contact Number-
155215 (without any pre-code)/011-27006900

Some other contacts of university :

Vice Chancellor
vc@du.ac.in

Pro-Vice Chancellor
pvc@du.ac.in

Dean of Colleges
dean_colleges@du.ac.in

Director, South Campus
dir_udsc@du.ac.in

Director, Campus Open Learning
dir_col@du.ac.in

Registrar
registrar@du.ac.in

Deputy Registrar (Information & CPIO)
27667623 - 1653 (EPABX)
27667524

University Information Centre
155215 (without any precode)
/011-27006900

North Campus EPABX
23922480, 27667725

2700+Extn.(from outside)
27667126

South Campus EPABX
24111955
24116427