Modi said the inconvenience faced by the citizens was "totally avoidable."
All government and private schools were yesterday ordered to be closed today by authorities in Chandigarh in the wake of Modi's visit to the city.
During his brief visit, Modi inaugurated the state-of-the-art new civil air terminal building, addressed the 34th Convocation of Postgraduate Institute of Medical Education and Research (PGIMER) and a public rally.
"The inconvenience caused to citizens in Chandigarh, especially shutting of schools due to my visit is regretted. It was totally avoidable.