Is Letter of invitation Necessary for Singapore visa ?

[abc123456]

Hello everyone.
I am an Indian expats who is working and living in Dubai for past 2 years. I am having a meeting scheduled in Singapore for next month so wanted to apply for a Singapore visa from Dubai . while browsing through internet i came across this page http://www.singaporevisa.ae/singapore-visa-letter-of-invitation.html which stated letter of invitation necessary for Singapore visa . Is it compulsory to have a LOI for applying for singapore visa ?

[singaporeflyer]

Hello everyone.
I am an Indian expats who is working and living in Dubai for past 2 years. I am having a meeting scheduled in Singapore for next month so wanted to apply for a Singapore visa from Dubai . while browsing through internet i came across this page http://www.singaporevisa.ae/singapore-visa-letter-of-invitation.html which stated letter of invitation necessary for Singapore visa . Is it compulsory to have a LOI for applying for singapore visa ?

Depends on who is applying the visa. Better to have the invitation letter, which will make things easier