The second phase of polling in West Bengal for 56 assembly seats spread across Birbhum (11) and north Bengal districts (45 seats) will be held on Sunday. Six-phase elections have been scheduled in the state, with the first phase being completed on April 4 and 11. The remaining phases will be conducted on April 21, 25, 30 and May 5.

NASA is all set to install the first human-rated expandable structure that may help inform the design of deep space habitats to the International Space Station on Saturday. The Bigelow Expandable Activity Module (BEAM) will be attached to the station’s Tranquility module over a period of about four hours.

Prince William and his wife Kate Middleton are to visit the Taj Mahal on Saturday. The visit, which comes more than 20 years after William’s mother Princess Diana visited the monument, is expected to present shutterbugs a huge photo opp.

OPEC members and key oil producers from outside the cartel will meet in Doha on Sunday in a bid to stabilise falling crude prices. The meeting is a "follow-up" to last month's talks between Qatar, Russia, Saudi Arabia and Venezuela when they proposed an accord to freeze oil output at January levels. Fifteen countries accounting for some 73 per cent of global oil output supported the initiative, including the world's top exporter Saudi Arabia, and Russia.

President Pranab Mukherjee will inaugurate the fourth retreat of Supreme Court judges in Bhopal on Saturday. He will also take part in a dinner hosted at the National Judicial Academy. Chief Justice of India T S Thakur and other judges of the Supreme Court will attend the retreat.