Introduction:
In this question, we are given the birthdays of two individuals, Edna and Jen, along with their respective dates. We are then asked to determine the month in which Amir's birthday falls based on the given information.

Given Information:
- Edna's birthday is on the 6th of April.
- Jen's birthday is on the 15th of October.

Approach:
To determine the month in which Amir's birthday falls, we can analyze the given information and make use of the months and days of the year.

Analysis:
Let's break down the given information and analyze it step by step.

1. Edna's birthday is on the 6th of April.
- This tells us that Edna's birthday falls in the month of April.

2. Jen's birthday is on the 15th of October.
- This tells us that Jen's birthday falls in the month of October.

3. We need to find Amir's birthday, which falls on the same day as Edna's and Jen's birthdays. Therefore, Amir's birthday must fall on the same day as either Edna's birthday or Jen's birthday.

Conclusion:
Based on the given information, we can conclude that Amir's birthday falls on the same day as either Edna's birthday or Jen's birthday, but the month is not specified. Therefore, without any additional information, we cannot determine the exact month in which Amir's birthday falls.