@ ramgarhiaji,
our application passes through different stages during its processing period at visa office.Every VO has its own way to clear the files depending upon the inventory in hand.Yes,the fundamentals remain the same.
Verification,be it telephonic or some other way,is part of Background check.Employment history nd the corresponding job responsibility incongruous to lead statement in terms of CIS guidelines,fall under BG check.A slightest apprehension in the mind of dealing officer prompts him/her to seek more clarification from The APPLICANT OR,/HIS EMPLOYER . There is no specific time frame for issue of Medicals Request to the applicant after job verification, as there are other aspects of BG Checks being simultaneously carried being carried by other designated officers.When all the officers complete their assigned BG CHECKS ND SUBMIT THEIR NOTES TO THE DESIGNATED VO WHO ,IN TURN ,REVIEWS the notes nd issues MR TO THE APPLICANT.
Hope,this may suffice.
Good luck nd May God bless all !!!!!!
parhar51