Mr.Singh's comments come in the wake of a United Nations Security Council resolution calling on all countries to sign the treaty.

VOA: standard.2009.09.29

"And so I am calling on Congress to pass these reforms and I am going to sign them into law,"

VOA: standard.2010.03.18

"And so I am calling on Congress to pass these reforms and I am going to sign them into law.

VOA: standard.2010.03.16

Stop Huntingdon Animal Cruelty, a group that acts as a rallying point for extremists, sets up stalls in shopping malls with pictures of mangled animals and petitions to sign calling for an end to research using animals.

ECONOMIST: Animal rights extremists

To add weight to their demands, they have now got nurses and healthcare support workers themselves to sign a letter calling for change.

BBC: Healthcare assistants: Mandatory regulation 'needed'

The queen will still attend Monday evening's Commonwealth Reception at Marlborough House, the statement said, where she will sign a new charter calling for equal rights in all Commonwealth nations.

CNN: March 11, 2013 -- Updated 1612 GMT (0012 HKT)