Jawaharlal Nehru University students leader Kanhaiya Kumar called upon Congress vice president Rahul Gandhi at his official residence here on Tuesday.Kumar led a delegation of Jawaharlal Nehru University students Union (JNUSU) and All India Students' Federation (AISF) leaders to meet Gandhi at his Tughlak Lane residence.This is the first time that the Congress vice president has met Kanhaiya since he was released on bail from a prison here where he was lodged following an uproar over alleged anti-national activities at the JNU campus. The student leader was charged with sedition.Earlier, Gandhi had come out in full support for Kanhaiya amid the unrest at the JNU.