Anand and Anand did not change its name. It simply aqui-hired Khimani and changed Khimani's name to Anand and Anand and Khimani. Anand and Anad still exists as a separate entity.
Well, Anand & Anand recently changed their name to Anand & Anand & Khimani. So, if she can do it at the age of 29 (albeit not Tier 1 in the truest sense), surely can you by 45-ish.
And neither of these two firms are tier 1.
3-3 firm ka name partner