Whenever an Indian company imports goods, borrows in foreign currency, earns overseas revenue, or runs a foreign subsidiary, forex accounting enters the picture. But this is not just a currency note buried in the accounts. The rules decide whether exchange gains and losses hit profit and loss, sit in equity reserves, or make the numbers look cleaner than the business reality. This story explains why investors should not ignore the forex line, how judgement can change reported profit and net worth, and what they must check before trusting the headline numbers.