Wrong filling of form 103

my name is Aditya iam going my articleship at present recently i have received a letter that i had wrongly filled the form 

the mistake was that in page3 of 103

16(a)i filled that i'm not engaged in any business . but unexpectedly in

16(b)i filled that iam an active partner

so this was the mistake why they sent the letter  . so please advice mewhat should i send to icai

please its so urgent