Who calls the meeting of the Gram Sabha and Gram Panchayat?

Q. Differentiate between Gram Sabha and Gram Panchayat.

Q. What is the link between a Gram Sabha and a Gram Panchayat?

Q. What is the difference between a Gram Sabha and a Gram Panchayat?

Q. "I am not an elected person, but the government appoints me to maintain the records and to conduct the meeting of the Gram Sabha and Gram Panchayat. Who am I?"