What is required for a other engineering student is a through knowledge and good skill with small amount of money as well support from family who can sustain them them for a period still they find a alternative source of income, where as biotechnology requires a lot of money and the return is not immediate. above all Intellectual Property becomes an issue when you try to market the formula or the process. Government need to support them in their initiative then only Biotechnology shall flourish else MSc Chemistry is for better option.