Based on image_66e168.jpg, what was the total value (in INR trillion) of $2000$ rupee bank notes in circulation at the end of March 2021?

According to the Reserve Bank of India (RBI) annual reports data, the value of $\text{Rs. }2000$ denomination banknotes in circulation witnessed a gradual decline over the years after production was stopped. At the end of March 2021, the total value of these notes in circulation stood at approximately $\text{Rs. }4.90\text{ trillion}$, which constituted around $17.3\%$ of the total value of banknotes in circulation at that time.