Yes sure, here I am telling you the contact details of some good colleges to study Diploma in Nautical Science:

Cosmopolitan Technology of Maritime
6, Vanagaram Road, Kil Aayanampakkam, Mugapair West, Ambattur
(044) 26531593, 26531549, 26532134.

Haldia Institute of Maritime Studies and Research (HIMSAR)
ICARE Complex Marine Campus P.O. Hatiberia Haldia
Medinipur, West Bengal
(03224) 267501, 267502
(03224) 255275, 252800

Hindustan Institute of Maritime Training
No. 11, Millers Road, Kilpauk
Chennai, Tamil Nadu
(044) 26403675, 26611712, 26480667, 43439696
(044) 26612565, 43439665

Indian Maritime University - Kandla Port Campus
Port Colony, New Kandla
Kutch, Gujarat
(02836) 270055

Indian Maritime University - Kochi Campus (Located on NH. 47- A), Near Alexander Parambithara Bridge, Willingdon Island-South end, Reclamation Area
Kochi, Kerala
(0484) 2989402, 2118542, 2989404

International Maritime Academy (IMA)
No. 41, Jamin Korattur, Pudhuchatram, (From Poonamallee to Tirupathi Highway Road)
Chennai, Tamil Nadu
(044) 26810940, 26810950, 26810960
(044) 26810980

International Maritime Institute (IMI)
2D Knowledge Park III,
Gautam Buddha Nagar, Uttar Pradesh
(0120) 2320325, 2328044
999906841
(0120) 2328088

International Maritime Institute (IMI)
13, Knowledge Park I, Surajpur Kasna Road
Noida, Uttar Pradesh
(0120) 2326311, 2326312, 2326313
9999068410
(0120) 203056

Lal Bahadur Shastri College of Advanced Maritime Studies and Research
Hay Bunder, Tank Road,
Mumbai, Maharashtra
(022) 23719932, 23719935, 23719936, 23719940
(022) 23739784

Ocean Marine Academy
G-10, First Floor, Manik Chambers, Rajarampuri Main Road,
Kolhapur, Maharashtra
9011027000, 9011027008

Sairam Shipping Science Institute
Villiyanoor-Koodapakkam Main Road,
Puducherry, Puducherry
(044) 42267777
(044) 42267779

Shirdi Sai Nautical Science Academy
Samandur P.O. Anekal,
Bangalore, Karnataka
(080) 27830221
(080) 27830355

T.S. Rahman Academy
Jahaz Mahal Annexe, Samandar Point Estate, Off Lala Lajpatrai Marg, Worli
Mumbai, Maharashtra
(022) 4938740
(022) 4950270

V.E.L.S. University
Velan Nagar, P.V. Vaithiyalingam Road, Pallavaram
Chennai, Tamil Nadu
(044) 22662500, 22662501, 22662502, 22662503
(044) 22662513

Vishwakarma Maritime Institute (VMI)
Survey No. 2, Laxmi Nagar, Kondhawa Budruk
Pune, Maharashtra
(022) 64785715, 64785716, 64785717, 64785718