Hi Senthil,
There is only one college in Chennai offering BCA Cloud Technology and Information Security which is BS Abdur Rahman Institute of Science and Technology, Chennai.
Refer here for more info - https://www.careers360.com/university/bs-abdur-rahman-institute-of-science-and-technology-chennai/bca-cloud-technology-and-information-security-course
Feel free to ask doubts in the Comment Section.
I hope this information helps you.
Good Luck!
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