Leader of opposition L K Advani on Tuesday led a delegation of 146 members of the Bharatiya Janata Party-led National Democratic Alliance and met President Pratibha Devisingh Patil to intervene in the row triggered by the joint-statement issued after talks between Prime Minister Manmohan Singh and his Pakistani counterpart Yusuf Raza Gilani at Sharm-el Sheikh, Egypt -- wherein the issue of Baluchsitan was mentioned for the first time.