Amendment in name in st-2

As per Rule 4 of Serivce tax rules 1994, where there is a change in any information or details furnished by an assessee in form ST1 at the time of obtaining registration or he intends to furnish any additional information or detail, such change or information or details shall be intimated, in writing, by the assessee, to the jurisdictional Assistant Commissioner or deputy Commissioner of Central Excise, as the case may be, within a period of thirty days of such change.] 

Therfore, You can amend your ST-1 application and submit online, the same would be sactioned by range officer. 

Procedures:

1. Login to ACES account - go to menu Reg  - Select amend registration

2. Change the details of name and PAN card and other details if anything you want to change

3.  Take print out of amended ST-1 application and aknowledgement after submission

4. Submit supporting documents along with Application and aknowledgement to your range office