He is like that with every top dignitary visiting India. It's just diplomacy. Don't read too much into it.
Read this article for more such instances: https://www.hindustantimes.com/india-news/modi-s-hug-diploma...
Read this article for more such instances: https://www.hindustantimes.com/india-news/modi-s-hug-diploma...
In fact, to make matters worse, Facebook's Free Basics service was outlawed by Modi Government. If he was a friend of Facebook, he would have enacted laws that helped Facebook. This happened after Zuckerberg's visit to India. Read more: https://www.theguardian.com/technology/2016/feb/08/india-fac...