If one has done MBBS from India, can he/she practice in the US? If not, what certification or course is needed to practice there?

Dear Anurag, Yes, you can practice after you clear the USMLE. Please go through the United States Medical Licensing Examinations website for details and norms. You must also take the TOEFL. Alternatively, you can pursue a masters degree in public health or hospital administration or any related are