There is no such subject as biotech, it is a process, You need to learn microbiology, biochemistry and have a good understanding of science to go into the filed of molecular biology which is the correct name for this science. Science requires brains and intellectual aility, it is not like programming where we work as contractors. Ask the people who formed the backbone of a well known MNC Research which was sold to an Indian company what their salaries are and you will know the true scope for this in India.
