Hi rckybhardwaj, This link will give you some details for permanent settlement after four years.
HSMP Guidance for further information.
http://www.workingintheuk.gov.uk/workin ... _mar04.pdf
in Question And Answer Section.
26.5Q:How long can I stay if I enter as Highly Skilled Migrant in UK?
IN Answer it says that you should be economically active for continuous four years except some short trips abroad not totally more than six months in total.See detail in the link above in26.5Q.So one should keep this in mind that for HSMP applicant it is necessary to stay in UK for atleast 3.5 years out of four years stay in UK
