Insurance commission itr2 or 4, income from biz or other sou

Assessee having

1.Salary income(Main Income- Pension),

2.Interest

3.and got small insurance commission(HDFC life not LICorp) totalling less than 30000 on which TDS deducted u/s 194D @ 10%.

Insurance commission not received in business motive.

Three questions

Is insurance commission a biz income or other source income?

Which ITR to be used ITR2 or ITR4?

Is any deduction available?

siva