The Supreme Court Tuesday will take up on April 1 for final hearing the CBI's appeal challenging 2010 Allahabad High Court verdict discharging of L.K. Advani and 19 other senior leaders of BJP and Hindu outfits the charges of criminal conspiracy in the demolition of the Babri Masjid on December 6, 1992. Besides Advani, other accused include senior Bharatiya Janata Party leaders MM Joshi, Vinay Katiyar, Uma Bharti and former Uttar Pradesh chief minister Kalyan Singh.