no,they don't have any containment system coz that's what the manufacturers of the train coaches think is the best way to keep the toilets clean and odorless during long distance runs like 2-3 days.it works to a certain degree...though not completely,i must say. and it certainly wouldn't be a very good idea to stroll along the railroad tracks in any country on the subcontinent for that matter.... :-)

Going to church no more makes you a Christian than standing in a garage makes you a car. ~ Garrison Keillor