"We are confident that the party would win assembly elections in Bihar this year and in Uttar Pradesh in 2017," Mathur told reporters here, before leaving for Agra.
He said that the BJP opponents Nitish Kumar, Lalu Yadav, Congress and other parties would face humiliating defeat in the Bihar elections, for which the party was fully prepared.
Terming "Yoga Day" on June 21 a historic initiative, Mathur said that it was one of the successes of Prime Minister Narnedra Modi.