Economy Party chiefs responsible if MPs and MLAs are not doing well, says Nitin Gadkari Updated : December 26, 2018 10:39 AM IST Delivering the 31st endowment lecture of the Intelligence Bureau, Gadkari said unity and diversity is an integral part of the Indian culture. The minister said politics is an instrument of socioeconomic change. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.