SP chief on Sunday declared that he will be the first person to not fill any form as part of the controversial National Population Register exercise. Addressing a meeting of Samajwadi Party leaders in Lucknow, the former Chief Minister also urged people protesting the NPR to follow suit. Yadav also slammed CM Yogi's highhanded approach to protesters and reminded the cops wielding lathis on people that "the certificates of their mothers and fathers will also be sought".