For Sure!
Postal Coaching means coaching through books sent through post and not attending oral classes conducted at ICSI branches.
Oral Coaching means attending classes conducted by ICSI Branches.
Postal Coaching is however complusory, if you opt for oral coaching no need to submit response sheets arise, as some test may be conducted by the branches only, but in postal coaching the response sheets must be prepared and sent.
Last dates for
SIP Completion is completion of 6 months from your date of registration
Computer Exemption Test is also the same.
Response Sheets reaching is 28th February 2014 for you.
However the above three should be completed or should be in the process of completion, as we need to mention their status in the CS Executive Exam Application Form. You have three options as
Yes
No
Undergoing
For filling this properly it is better to complete or engage in completion before applying for exam, the last date for which is 31st March, 2014 for you.
I hope i am clear! If anything not right, do mention!