Dear Anil,
Kindly find below mentioned info on slection of buffaloes for milking machine,
1) Murrah / Mehsana
2) prefered lactation 1or 2nd do not try to milk old animals with mm
3) Keep in mind that all the animals in shed will not be milk 70-80% buffaloes get adapted to system
4) It takes time and patience of owner to see through the tough milking session
5) Intoroduce the system slowly do not force or harm any animal.
There are much more points to ponder before we suceed in mm on buffaloes kindly contact for more details.