Complex sentence: Although the UPA-2 government started the Aadhaar program and introduced the National Identification of India Bill-2010 in January 2014, yet its half hearted approach and lack of will power to pass the Bill was evident to the public.
Split into simpler sentences: Although the UPA-2 government started the Aadhaar program, yet it lacked the will power to pass the Bill. Its half hearted approach and lack of will power was evident to the public.