Lucknow, May 15 (ANI): Congress veteran leader ND Tiwari on Thursday got married to Ujjwala Sharma, his biological son Rohit Shekhar's mother in Lucknow. The couple expressed their happiness after tying the knot. Tiwari said that he is extremely happy and congratulated everyone on the occasion. Meanwhile, Tiwari's wife Ujjwala Sharma said that she is completely satisfied now that their relation has achieved a social acceptance.