Congress dissident and high profile lawyer Kapil Sibal on Wednesday snapped his ties with the party and crossed over to the Samajwadi Party camp, adding to the mounting list of crossovers in recent weeks and amplifying the perception of negativity about the grand old party.Congress dissident and high profile lawyer Kapil Sibal on Wednesday snapped his ties with the party and crossed over to the Samajwadi Party camp, adding to the mounting list of crossovers in recent weeks and amplifying the perception of negativity about the grand old party.