Below I am providing you the lists of diploma colleges which is located in Bangalore from where you can do online diploma courses:

The list includes:

Goverment Polytechnic Colleges in Bangalore

Film & TV Technical Institute, Bengaluru- 560001
G R Institute of Commercial Practice,Bengaluru- 560001
Government Polytechnic for Women, Bengaluru- 560001
Institue of Priniting Technology, Bengaluru- 560001
Institute of Technology, SKSJT campus, Bengaluru- 560001
Karnataka Inst of Leather Technolgoy, (Lidkar Unit) KG Halli, Bengaluru- 560001
SRC Institute of Business Management, Bengaluru- 560001
Sri Jayachamarjendra Evening Polytechnic,Bengaluru- 560001
Sri Jayachamarjendra Polytechnic, Bengaluru- 560001
Govervment Polytechnic, Chennapattana, 571 501
Private Aided Polytechnic Colleges in Bangalore
Dayananada Sagar Institute of Technology, Shavige Malleswara Hills, Bengaluru- 560078
MEI (Evening) Polytechnic, Bengaluru- 560010
MEI Polytechnic, Rajajinagar, Bengaluru- 560010
Acharya Pathashala Polytechnic,Somanahalli 562 112


Private Un-Aided Polytechnic Colleges in Bangalore

(C.M.A) Mehmood Sharief Polytechnic, Yeswanthpur, Bengaluru- 560022
Acharya Polytechnic, I Cross, I Stage, Peenya Industrial Estate, Bengaluru- 5600 53
Adarsha Polytechnic, R T Nager, I Block, Bengaluru- 560032
Al-Khateer Polytechnic, Jamia Masjid Complex, Ilyas Nagar, J P Nagar, Bengaluru- 560078
Amaragiri Polytechnic, Bengaluru
Baldwin Polytechnic, 11/5, Lakshmi Road, V Cross, Shanthinagar, Bengaluru- 560027
BSF Institute of Technology, STC BSF Po, Yelahanka (AFS), Bengaluru- 560063
CSI Goodwill Polytechnic for Women, Near Coles Park, Frazer Town, Bengaluru- 560005
Frontier Polytechnic, Byatarayanapur Post, Bellary Road, Bengaluru- 560092
Ghousia Polytechnic for Women, Hosur Road, Bengaluru- 560029
Hindustan Electronics Academy Polytechnic,61, Cambridge Road, Ulsoor, Bengaluru- 560008
IMPACT Polytechnic, Kodigehalli, Bengaluru- 560092
IR Polytechnic, No 195, III phase, PEenya Industrial Area, Bengaluru- 560058
K S Polytechnic, No 5, Channammanakere, Thyagarajanagar, Bengaluru- 560028
KIET Polytechnic, No 34-35, MM Industrial Estate, K R Road, Bengaluru- 560032
M N Technical Institute, Kammagondanahalli, Yeswanthapur, Bengaluru- 560015
M S Ramaiah Polytechnic, MSR, Institute Campus, Bengaluru- 560054
Mahatma Gandhi Polytechnic, Nagashettihalli, Bengaluru
MVJ Polytechinic, Near Whitefield Road, Bengaluru- 560061
Nadgir Polytechnic (Evening), 80 Ft Road, Near Modi Hospital, Rajajinagar, Bengaluru- 560010
Nadgir Polytechnic, 80 Ft Road, Near Modi Hospital, Rajajinagar, Bengaluru- 560010
PES Polytechnic, BSK I stage, Hanumanthnagar, Bengaluru- 560050
PVP Polytechnic, Near Jnana Bharathi Campus, Bengaluru- 560056
R E S Polytechinc, Sunkadakatte, Hegganahalli, Magadi Main Road, Bengaluru- 5600 91
Rajiv Gandhi Memorial Polytechnic, Basavanagudi, Bengaluru- 560004
Raman Polytechnic, No134, Kamakshipalya, Magadi Road, Bengaluru- 560079
RJS Polytechnic, No 1, 16th Main, Koramangala Layout, Bengaluru- 560078
S G R Polytechnic, 111/1, Munnekolalu, Marathahalli Post, Bengaluru- 560037
Sahakari Vidya Kendra Polytechnic, CA No 34, I cross, V Block, Jayanager, Bengaluru- 560069
School of Engineering (LRDE), Bengaluru- 5600
SJEC Polytechnic, Medahalli, Bengaluru- 560049
SLN Polytechnic, Fort, Bengaluru- 560002
Smt Kamalabai Polytechnic for Women,Canaught Road, Queens Road Cross, B-lore- 5600 52
Sri Venkataraju Institute of Technology,15th Cross, J P Nagar, 6th Phase, Bengaluru- 560078

Sri Venkateshwara Polytechnic, Bengaluru
TES Polytechnic, Dodda Banaswadi, Bengaluru
The Oxford Evening Polytechnic, Bengaluru
The Oxford Polytechnic, I Phase, J P Nagar, Bengaluru
V V E T Polytechnic, No 13, Adichunchanagiri Mutt Hostel Complex, Vijayanagar, Bengaluru- 560040
VET BVL Polytechnic, 14th Main, I phase, J P Nagar, Bengaluru- 560073
Bhuvan Polytechnic, Yelahanka, Bengaluru 560058