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since you are from the other state , its not possible as you need full fill the domicile one as 

To fulfil the eligibility criteria of KCET 2019, the candidate should have studied and passed from a recognised institution situated in Karnataka. The academic study from a state institute should be for a minimum period of 7 years, starting from 1st standard to 2nd PUC/12th standard as on July 1 of the exam year.

Candidates should have appeared/passed either SSLC/10th standard or 2nd PUC/12th standard exam from Karnataka.

Candidate who had taken more than one year to pass a class/standard, in such cases, the academic study years will be counted as one year only.

for more information check our article in below

https://engineering.careers360.com/articles/kcet-eligibility-criteria

regards