i am bit confuse that after completing my Msc in biotech from uk ( uni of manchester) whether i am eligible for phD in us or any other nation ?

Hi Paridhi, yes of course you are eligible. Criteria for PhD is MAsters in the same field. So you will definitely be eligible for PhD. If you like this answer then kindly mark it as the best answer or rate it thumbs up. Please feel free to post queries if you have any.