Quota distribution depends upon the will of the zone and division. For instance, there is only GNWL quota on 18619/20 Intercity Express. RNC - MURI(incl) is under SER/RNC division, MURI(excl) - CRP(excl) is under SER/ADRA division, CRP(incl) - PKA(incl) is under ECR/DHN division, PKA(excl) - DUMK(incl) is under ER/ASN division, and DUMK(excl) - GODA is under ER/MLDT division.
SER can well accomodate BKSC under GNWL quota for SER/RNC and SER/CKP division originating trains.