Originally Posted by mb raja dharejo

It is not just like that..
I want give you one example:
38th Commoner wil join Civil service in December 2010. He/She will finish STP after about 2 years from the CTP start. then he will be 8-10 months as UT(Under Training officer). At this point he/she has service of about 3 years in total. now he/she will get promotion in charge into BPS-18. but on record he will be eligible for the promotion after 5 years of service. But PAAS officer usually get promotion in charge just like DDOs in Balochistan r on the post EDOs and EDOs on DCO.. vice versa. therefore it is said that PAAS has rapid vertical mobility. Along with that there is also great horizontal mobility..