When did BJP defend the riots by saying its Hindutva Prayogshala?
You are mixing up what you hear from english media with your own thoughts.
BJP is as guilty of using religion as the Congress is. Or for that matter the communists, samajvadis or Bahujan Samajis are.
BJP delivered some of the best developmental work the nation saw when Vajpayee was the Prime Minister of a coalition. Compare that with the current scenario, where the Finance Minister admits the current coalition is hindering reforms.