Introduction– Third MBBS students represent the budding doctors and may perform the complex task of deciding the most suitable intravenous fluids for patient . Therefore evaluation of such critical knowledge of these potential candidates becomes important for a better future of health care. Method– Cross–sectional, questionnaire–based study conducted among third year MBBS students (n=200) at tertiary care government teaching hospital. Results– 170 students of the 200 ;scored overall between 21%–50%. Scores of understanding clinical use of IV fluids in students ranged from 8% to 44%. As regards to its knowledge about adverse effects and limitations, only 34 % and 15 % respectively recorded correct responses. Students also lacked knowledge of about correct fluid used for various drug dilutions . Conclusion–The present study concludes that students had an idea but lacked adequately detailed knowledge about intravenous fluids for correct clinical application.