Well..try to understand: @ Azimabad & ADI-UHP Exp page, there is indication of RSA only with these 2 trains which is half true as all 3 do have RSA, as been defined!!
Just imagine, if MAS Exp too hav had same Rake size, addition/deletion wouldnt happened & directly incoming MAS Exp would have gone as UHP Exp while Azimabad Exp would hav started as MAS Exp!! Its just MAS Rake been shorter, the Coach count gets amended (chopped frm Azimabad & sent MAS while added to incoming MAS Exp next day to run as UHP Exp)!! So all 3 linked in RSA this way!!
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more... if u hav complexity abt deduction, thn Azaimabad do hav 1 3A more thn bth MAS/UHP Exp..isnt thn also Azimabad & UHP in RSA??