New Delhi, Apr 15 : Prime Minister Manmohan Singh on Wednesday expressed his concern on the ill-effects of terrorism on the nation and admitted that if the world economy fails to tackle terrorism, it can adversely affect the investment scenario and economic progress of the country.

Meeting with members of the Editor''''s Guild here, Dr. Singh, however, said that the consensus among world leaders is that the global economy will be in a much better position by September.

New Delhi, Apr. 15 : Union Science and Technology Minister Kapil Sibal has filed a defamation suit against Vijender Gupta, his rival candidate from the Chandni Chowk Lok Sabha seat.

Sibal has accused the BJP nominee of making "abusive" remarks against him to mislead the public ahead of the polls.

In interviews published in three Hindi newspapers, Gupta is quoted to have stated that Sibal "has fought cases on behalf of school managements and has exploited parents and guardians and that he has a two-faced character."

New Delhi, Apr 15 : Sri Ram Sene activists stormed a gathering of Indian and Pakistani journalists here on Wednesday.

The journalists had gathered at the India International Centre to take part in a panel discussion on "Is Media Jingoism Fanning Indo-Pak Tension."

However, the panel discussion was disrupted when the Sri Ram Sene group stormed the venue and raised slogans against Pakistani journalists.

New Delhi, Apr. 15 : The Rajasthan Royals, which won last year''s inaugural Indian Premier League (IPL) Twenty20 tournament, has axed former Test player and Uttar Pradesh captain Mohammad Kaif and seven other players from the squad that will do duty in the second edition.

They will now fly back to India. Kaif was purchased for a hefty 675,000 US dollars at the auction last year, but didn''t have much of a role during the victorious campaign.

New Delhi, Apr 15 : High School Musical star Zac Efron has revealed that he always keeps memorabilia of his films in the boot of his car, to help get him out of sticky situations.

Efron, 21, says that in order for him to get his way, he sometimes has to resort to using such tactics, reports the China Daily.

"I've kind of got it figured out. I just pull in to the lot at the movie studio and photographers can''t follow me," he said.

New Delhi, Apr 15 : Prime Minister Dr. Manmohan Singh today said that no effort can be made to have peace talks with Pakistan unless Islamabad takes strict action against the perpetrators of the Mumbai terror attacks.

Interacting with members of the Editors Guild of India, Dr. Singh rejected as "not true" Pakistan's contention that India has not provided sufficient evidence to Pakistan in connection with the 26/11 attacks.