Question about visit

[vsv0001]

Hi,
I have a question. My parents have got visitor's visa last week for 10 yrs. Should they visit me within 6 months after they get the visa compulsarily ? Is there any such rule. Or can they visit me any time within the next 10 yrs .

regards
sreeram

[srikrishnakanth]

no such rule. they can visit anytime during the 10 years