How about modifying the transactions this way?
2023/07/18 * OpenAI Invoice
  liabilities:vendors:openai        $ -14.83
  expenses:programming
2023/07/24 * OpenAI Payment Receipt
  liabilities:card:icici          Rs -1267.82
  liabilities:vendors:openai        $ 14.83
2023/08/08 * OpenAI Invoice
  liabilities:vendors:openai        $ -0.79
  expenses:programming
2023/08/15 * OpenAI Payment Receipt
  liabilities:card:icici          Rs -68.36
  liabilities:vendors:openai        $  0.79
2023/09/13 * OpenAI Invoice
  liabilities:vendors:openai        $ -10.67
  expenses:programming
2023/10/03 * OpenAI Payment Receipt
  liabilities:card:icici          Rs -924.11
  liabilities:vendors:openai        $ 10.67
Then when you run a balance report you get the following:
$ ledger -f vedang.txt bal | cat
       $ 26.29  expenses:programming
     Rs -2260.29  liabilities:card:icici
--------------------
       $ 26.29
     Rs -2260.29
You can also keep the currency conversions in-card (handy if the clearance date is different to the payment date)
2023/07/18 * OpenAI Invoice
  liabilities:vendors:openai        $ -14.83
  expenses:programming
2023/07/24 * OpenAI Payment Receipt
  liabilities:card:icici          $ -14.83
  liabilities:vendors:openai
2023/07/24 * Currency Conversion
  liabilities:card:icici          Rs -1267.82
  liabilities:card:icici          $ 14.83
2023/08/08 * OpenAI Invoice
  liabilities:vendors:openai        $ -0.79
  expenses:programming
2023/08/15 * OpenAI Payment Receipt
  liabilities:card:icici          $ -0.79
  liabilities:vendors:openai
2023/08/15 * Currency Conversion
  liabilities:card:icici          Rs -68.36
  liabilities:card:icici          $ 0.79
2023/09/13 * OpenAI Invoice
  liabilities:vendors:openai        $ -10.67
  expenses:programming
2023/10/03 * OpenAI Payment Receipt
  liabilities:card:icici          $ -10.67
  liabilities:vendors:openai
2023/10/03 * Currency Conversion
  liabilities:card:icici          Rs -924.11
  liabilities:card:icici          $ 10.67
$ ledger -f vedang2.txt bal | cat
       $ 26.29  expenses:programming
     Rs -2260.29  liabilities:card:icici
--------------------
       $ 26.29
     Rs -2260.29