Why marrow test series so famous these days n is it better than dams or Bhatia
Because they are relevant and up to date. Whereas the other ones are just same old questions repeated with only around 20-25% of questions as new and that too very tough which no one knows…
Marrow questions are like the questions they are asking in exam these days. New questions from same old topics or twisted questions where one has to use their concepts.
Which plan I should opt
I am clueless how to prepare for meet pg again 
Please guide sir
coz they are good in marketing!
ask your seniors and den decide.
Choose anything doesn’t matter
Only hardwork is rewarded in the end.
However DAMS is a bit overhyped & over priced in todays world. You can excel by joining anything or even with just test series.