Good effort sleen but this, like you said, is pretty old. BD government is not going to allow TATA's come back in under same conditions, if it was widely protested by the people of BD. Only thing certain at this time is that BD government wants TATA's back but nothing else have been annouced. Details can only come out after the meetings right?
Nothing wrong with for attracting companies to invest in your country. I live in Canada, pretty rich in oil and gas, and i work in oil and gas industry. Government here provide lots of incentives to foreign companies to invest here. Incentives like Tax brakes, price brakes etc. So its nothing new to provide incentives. Incentives are good for the economy and people as long is its under the law and people are not against it. As far as enviornment is concerned, try googling OIL TAR SAND OF CANADA, you will see how's its done in the west.