External factors on the economy of Bangladesh on the idea of the regression model that we’ve got developed. So as to try and do therefore we’ve got used constant regression model just in case of some SAARC countries India, Pakistan & Srilanka. Real GDP of India has been growing terribly systematically over the years. Pakistan economy is extremely dependent upon export. Its impact is highest in relation with the rise in export and reduce in import. Sri Lanka’s economy is extremely correlative to remittal, aids and export. The export has been the foremost dominant issue for the GDP growth of state.