"Kerala Piravi greetings to people of Kerala. May the development of Kerala scale new heights in the years to come," Modi tweeted on the state's foundation day.
He also greeted people of Madhya Pradesh on the state's foundation day. "I pray that MP is blessed with record development in the coming years," Modi tweeted.
In another tweet, he said, "On their Foundation Day, I convey my greetings to the people of Chhattisgarh and wish them the very best for the state's development journey."
"May Karnataka scale new heights of progress in the years to come," he wrote on the microblogging site.
In yet another tweet, the Prime Minister said, "I convey my greetings to the people of Haryana on Haryana Day. May the state witness immense development in the coming years.