Do chemical engineering have any bright future...

Yes, undoubtly Chemical engineering has a very bright future.
Having a B.Tech in Chemical Engineering from a reputed institute like Indian Institute of Technology, gives you a very good opportunity in hand both for jobs and further research career.
After a four-year degree from IIT, one can easily be placed in any pharmaceutical or an R&D company.
One can also go for a research career in highly reputed foreign universities.