The film had a low opening but showed good growth on its 2nd and 3rd day and collected {{INRConvert|30|m|nolink=yes}} nett in its opening weekend.<ref>{{cite web|title=OMG! Oh My God Picks Up Over Weekend|url= http://www.boxofficeindia.com/boxnewsdetail.php?page=shownews&articleid=4939&nCat=|date=1 October 2012|accessdate=1 October 2012|archivedate=3 October 2012|deadurl=noyes|archiveurl=//web.archive.org/web/20121003231801/http://www.boxofficeindia.com/boxnewsdetail.php?page=shownews&articleid=4939&nCat=}}</ref> Despite slow start, the film managed to gross collections of {{INRConvert|357.4|m|nolink=yes}} nett in its first week.<ref name="first week">{{cite web|url=http://boxofficeindia.com/boxnewsdetail.php?page=shownews&articleid=4960&nCat=|title=OMG! Oh My God Week One Territorial Breakdown|publisher=Box Office India|date=1 October 2011|accessdate=6 October 2012|archivedate=11 October 2012|archiveurl=//web.archive.org/web/20121011063543/http://boxofficeindia.com/boxnewsdetail.php?page=shownews&articleid=4960&nCat=|deadurl=noyes}}</ref> The film collected {{INRConvert|220|m|nolink=yes}} in its second week.<ref name="second week">{{cite web|title=Aiyaa Bhoot Returns Dull Oh! My God Excellent Second Week|date=13 October 2011|url=http://boxofficeindia.com/boxdetail.php?page=shownews&articleid=4973&nCat= |publisher=Box Office India|archivedate=16 October 2012|deadurl=noyes|archiveurl=//web.archive.org/web/20121016023757/http://boxofficeindia.com/boxdetail.php?page=shownews&articleid=4973&nCat=}}</ref> The film continued its successful run in its third week and make a total of around {{INRConvert|725.0|m|nolink=yes}} in three weeks.<ref name="three weeks">{{cite web|title=Student Of The Year Opens Well Oh! My God Excellent Third Week|url=http://boxofficeindia.com/boxdetail.php?page=shownews&articleid=4997&nCat=|publisher=Box Office India|date=20 October 2012|accessdate=20 October 2012|archivedate=22 October 2012|deadurl=no yes|archiveurl=//web.archive.org/web/20121022184638/http://boxofficeindia.com/boxdetail.php?page=shownews&articleid=4997&nCat=}}</ref> The film raked another {{INRConvert|62.4|m|nolink=yes}} in its fourth week to make a total of {{INRConvert|782.4|m|nolink=yes}} in four weeks.<ref name="four weeks">{{cite web|title=OMG! Oh My God Week Four Territorial Breakdown|url=http://boxofficeindia.com/boxnewsdetail.php?page=shownews&articleid=5027&nCat=|publisher=Box Office India|accessdate=29 October 2011|deadurl=yes|archiveurl=|archivedate=}} {{Dead link|date=October 2014}}</ref>
===Overseas===
Overseas, ''OMG – Oh My God!'' grossed [[US$]]2.5 million in 10 days.<ref>{{cite web|url=http://www.boxofficeindia.com/overdetail.php?page=shownews&articleid=4968&nCat=|title=English Vinglish Is Excellent Overseas|publisher=[[Box Office India]]|date=10 October 2012|accessdate=10 October 2012|archiveurl=//web.archive.org/web/20121227120936/http://www.boxofficeindia.com/overdetail.php?page=shownews&articleid=4968&nCat=|archivedate=27 December 2012|deadurl=noyes}}</ref> At the end of 17 days, ''OMG – Oh My God!'' had grossed [[US$]]2.9 million ({{INR}}INRConvert|104.5 million)|m|nolink=yes}}.<ref>{{cite web|title=Aiyaa Bhoot Returns Dull English Vinglish Is HIT Overseas|url=http://www.boxofficeindia.com/overdetail.php?page=shownews&articleid=4989&nCat=|publisher=Box Office India|deadurl=yes|archiveurl=|archivedate=}} {{Dead link|date=October 2014}}</ref>
