Hello.. I want to book a ticket from mumbai to secunderabad fr 19th Jan in Hussain Sagar Express in First class..it shows a waiting list of 8 presently..i heard tht tatkal doesnt exist fr first class.. My question is will i be able to get a berth if i book now? Also i wanna knw the layout fr the classes.. sum say 1A will be similar to 2A fr sum seats..plzz help..