Suggest self study pattern for ipcc gr-1 attempt may 2012?

yes , you can do it  in first attempt..

but dear according to me study mat in not sufficient , you should buy some books with study mat and prepare this with both .. and also try to solve scanners and RTP after completion of syllabus.. First of all to draw a time table for all the subjects , put your dfaily queries in CCI and take suggestions from here .. and work hard and after tht you will surely succeded ,....

if u do self study it will be time consuming,so better go for coaching.if u want to do self study, then go with the which one you are comfortable
for accounts-important chapters are AMALGAMATIONS,HP,INSURANCE and ACCOUNTING STANDARDS