Can application sent to gazette directly for name change

Sir My name in 10th and 12th marsheet is printed different and name in UG AND PG degree is printed different. So I have changed my name in gazette as printed in UGand PG recently. since my dout is people says that I should get affidavit of my name change first and to publish it in public newspaper and then I go for gazette name change. But I have directly applied to gazette office and changed my name With out getting affidavit and publishing in newspaper.. Since I am preparing for Government exams. 1. I like to know weather I want to get affidavit and newspapers publish apart from gazette changes. 2. Is my name change from as per (10&12)th to  as per ( UG&PG) is a correct format or not.