The incident occurred near Hassan on December 10 when they were returning after a trip to tourist places in Dakshina Kannada.
The officials said when the tired students asked for water, the teachers, who were in an inebriated condition, served them bottles containing alcohol, following which few students felt uneasiness and even vomited.
The students' parents complained to authorities.
The Deputy Director of Public Instruction today visited theschool at Bommala Devi Pura and conducted an inquiry following which the teachers were suspended, officials said.
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