Where to show freelancing income

Freelancing income is taxable under the head income under the head profits or gains from business or profession. So, you cannot file ITR -1, So, you have to file either ITR-3 or ITR-4.

If you opt for ITR 4 for current assessment year then you can opt out for ITR-3 in the next assessment year

Which business code will apply for content writer's. Should I file itr 4 and select 16019 business code which applies for other professional services.