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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
First of all maintain your fitness by running, choose your natural action, shift the whole momentum of your body on ball and throw at least 20 overs daily with same action and same run up. After 3 weeks you will feel your speed is improving gradually.
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