Indian Prime Minister Narendra Modi has urged his supporters to refrain from using abusive language on social media.

Modi told his online supporters to be positive on social media platforms as "abuse will finish this exciting medium", local media reported Thursday.

"If all the abuses I receive are printed, that paper will cover the entire Taj Mahal," the prime minister was quoted as telling a gathering of his supporters in the national capital Wednesday.

He added: "Despite the invective often hurled at me by critics on Twitter, I have not blocked anyone."

The tech-savvy Indian prime minister has nearly 13 million followers on Twitter.