Step 1: Understanding the Concept:
This question is from the chapter "Tea from Assam" and asks to identify the person who invited the character Rajvir to Assam.
Step 2: Detailed Explanation:
In the story, Pranjol and Rajvir are classmates studying in a school in Delhi. Pranjol's father is the manager of a tea garden in Upper Assam. Pranjol invites his friend Rajvir to visit his home during the summer vacation to experience the tea country.
Step 3: Final Answer:
It was Pranjol who invited Rajvir. Therefore, the correct option is (B).