I purchased a land in 2022 for 45Lakh and now did sale of agreement in 2024 December for 1 cr. I received 70L in Feb 2025 and rest amount of 30L I will receive in September 2025 and that is when the sale deed registery will be done to the buyer. How to calculate the LTCG and sec 54 since the financial year is up to 31st March 2025