Match the following :
a. Dinabandhu Mitra 1.Satyagraha of Bardoli
b. Baba Ramchandra 2.Satyagraha of Mulshi
c. Sardar Vallabhbhai Patel 3.Struggle of Ayodhya
farmers
d. Senapati Bapat 4.The Drama of 'Nil Darpan'