Complex sentence: It is also the land of the current President of India, who is the constitutional head of the country Pranab Mukherjee, and is also the first Bengali to become the President of the republic of India.
Split into simpler sentences: It is also the land of the current President of India Pranab Mukherjee, who is the constitutional head of the country. He is also the first Bengali to become the President of the republic of India.