Your sons will be charge , some even get a jail sentance . His future will be jeopardize.
And the worst part is , you still have to serve back 2yrs of NS back to them before you're allow to renounce your sg citizenship.
Be very careful !!

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SINGAPORE-BORN Shantakumar Bannirchelvam spent most of the last decade living with his family in Australia.
The 19-year-old Australian citizen, however, returned to his birthplace last September to enlist as a full-time national serviceman (NSF).
But Shantakumar was fined $1,500 yesterday for remaining outside Singapore without an exit permit.
The sentence came after prosecutors appealed against an earlier decision that let him off with probation and community service.
Judge of Appeal V.K.Rajah commended the teenager yesterday for coming back to serve in the military. But 'as a matter of policy and precedent', a fine must be handed down, he said.
The $1,500 fine was half the benchmark of $3,000, and took into account Shantakumar's 33 hours of community service, he said.
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NOTE:
{Shantakumar, who now holds dual citizenship, first received a letter from the Defence Ministry telling him to register for full-time national service in May 2005, and he did so.}
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He then headed to the United States on an exchange programme.
Meanwhile, his father tried repeatedly to defer his enlistment, but though he was unsuccessful, Shantakumar continued with his US studies without an exit permit.
In September last year, he returned to Singapore, and was subsequently charged with staying away from the country without an exit permit between 2005 and last year.
In February this year, Shantakumar pleaded guilty to the charge under the Enlistment Act.
A district judge, who called him a 'promising young man with a bright future ahead' decided not to record a conviction against him.
She put him on six months' probation and ordered him to do 40 hours of community service.
But prosecutors appealed, saying the district judge was wrong to depart from the usual punishment.
Yesterday, Shantakumar, who is now doing his Basic Military Training, said he hoped to make it to Officer Cadet School. He was worried that the conviction would count against him in the selection process.