an unexpected or unintended consequence of an action.

एक कार्रवाई का अप्रत्याशित या अनपेक्षित परिणाम।

English Usage: His plan to increase sales ended up being a backfire when customers were unhappy.

Hindi Usage: उसकी बिक्री बढ़ाने की योजना तब अपशकुन बन गई जब ग्राहक असंतुष्ट थे।

Unexpected and often problematic events.

अप्रत्याशित और अक्सर समस्याग्रस्त घटनाएँ।

English Usage: The unforeseen consequences of his actions were serious.

Hindi Usage: उसके कार्यों के अनपेक्षित परिणाम गंभीर थे।