Complex sentence: He has been praised for his economic policies which are credited with creating the environment for the high rate of economic growth in Gujarat: however, his administration has also been criticised for failing to make a significant positive impact upon the human development of the state.
Split into simpler sentences: He has been praised for his economic policies which are credited with creating the environment for the high rate of economic growth in Gujarat. However, his administration has also been criticised for failing to make a significant positive impact upon the human development of the state.