Your first year is  july 2023–June 2024, and your second year is July 2024–June 2025 as you were admitted in July 2023
You must turn in the second-year (July 2024 session) assignments in order to sit for the December 2025 Term-End Exam.
Assignments for the same academic session as your exam registration are required by IGNOU.

Send them in before the December exam deadline of September 30, 2025.
You will not be permitted to take the term-end exam if your assignments are not turned in.