Three things are really critical whenever you are doing multiple project in tight deadlines. 1) Task Priority 2) Re-Usable Contents 3) Put some extra efforts - have to work more than 8 hours in such type of critical scenario 1) When ever you are working on the multiple project , first you have to priorities your project with respect to deadlines - also the ruff estimation of each project requirement you require. This will help you to know that how much time you have to complete the task. 2) Whenever you are working on the Multiple Project in tight deadlines , always try to use the previous reference contents instead of writing new concept and documents , it will really save your time. 3) After getting the estimation require to complete the task you have to organize your time table according. Last if after doing all these thing you still feel that you are not able to complete the task , raise your hand to management and ask for additional resource in time to complete all the tasks.