I want to book tickets from MDP to JAT in 3AC for travel in April 2013. Current status is WL for all dates. Given that this train gets an additional coach on a regular basis, what are the chances of WL 20 getting a confirmed berth. Also, what is the quota allocation in this train. I know for a fact that there is a separate quota for Patna. Patna quota is running into WL too. At the same time, confirmed berths are available in Archana Express. Is Archana Express unreliable when compared with Himgiri?