wrong itr/wrong code of business

Dear Experts, I have filed my income tax as i am a LIC agent under 44ADA and salary income and after more than 2 months i got communication from CPC u/s 139(9) that it is defective. Error code is 89- The provisions of Section 44ADA not applicable to the taxpayer. The nature of business code in Sch NOB is not a profession, and the income disclosed under Section 44ADA income is more than zero. Hence the provisions of Section 44ADA is not applicable to the taxpayer. Probable resolution given is : The provisions of Section 44ADA is applicable only to Professionals with nature of business codes of 601 to 607.Taxpayer is requested to furnish correct Return Form type,i.e.ITR- 3 or ITR- 5 as applicable. If the Income has been disclosed under incorrect Section, the correct Section of the Schedule BP may be filled. If the Nature of Business code entered in the Return filed is not correct, the correct nature of business Code may be entered in the Sch NOB and the Corrected Return may be filed. Then i choose itr-3 form and filed it in response to u/s 139(9) in this itr i have select business code 301 general commission agent and shows amount of cash balance like Rs. 3000 under amount of cash balance in sheet part A-bs (sheet) NO ACCOUNT CASE and gross receipts 30000 and gross profit 30000 same value under for assessee carrying on business section and salaried income in schedule s (sheet). now i want to know that i have choose correct form and filled correct return or not.