Patna, May 1 -- A poster congratulating Rashtriya Janata Dal (RJD) chief Lalu Prasad Yadav and party leader Tejashwi Yadav was put up outside the party's state headquarters in Patna on Thursday, following the Centre's announcement to integrate the caste census with the upcoming national census.

The banner on the poster hailed the leadership of both Lalu and Tejashwi, crediting their persistent demand for caste-based census and termed it as a victory.

Earlier in the day, Tejashwi Yadav spoke to mediapersons and said, "We hope the census will be done before the delimitation exercise...It is a slap on the faces of those who used to blame us for spreading casteism."

"Until we don't get scientific data, we won't be able to bring the backwar...