Lacking experience or knowledge

Not having practical experience

व्यावहारिक अनुभव नहीं होना

English Usage: His inexperient approach to the problem surprised the seasoned professionals.

Hindi Usage: समस्या के प्रति उसकी अनुभवहीन दृष्टिकोण ने अनुभवी पेशेवरों को चौंका दिया।