External Affairs Minister Sushma Swaraj will travel to Islamabad on Tuesday on a two-day visit during which she will hold talks with her Pakistani counterpart Sartaj Aziz and attend a multilateral conference on Afghanistan.
Janata Dal-United chief Sharad Yadav, his party colleague Pawan K Verma in Bihar and senior Congress leaders B K Hariprasad and Rajiv Gowda of Karnataka were among the 12 candidates who filed their nominations on Monday on the last day for June 19 elections for Rajya Sabha berths in 4 states.
The foreign ministers of India and Pakistan expressed optimism and desire to improve ties.
Amid indication that Prime Minister Manmohan Singh is unlikely to attend the Commonwealth Heads of Government Summit in Sri Lanka, the external affairs ministry on Saturday said no decision has been taken on the visit, which has been opposed by parties in Tamil Nadu as well as a section in Congress.