Visitor Visa - B2

Hello everyone,

I appeared for B1 / b2 Visa interview in apirl 6 th but I was denied, I was not sure of the reason for denial but here is my experience:

Vo : good morning sir
Me : gud morng sir .how are you sir
Vo : ye i am good so where u to go us?
Me : newyork
Vo: what is the pupose of visit?
Me : to meet my uncle and him family
Vo: whats ur uncle doing?
Me: he have petrol pumb sir
Vo : what u doing
Me :i have a sucessfully running manufactring company in the name of Apex fire protection system
Vo : how long u do that ?
Me : 5 years sir .. now running @ 6 th year
Vo: whats ur income ?
Me : monthely or anual sir?
Vo : oh sorry sir anual income !
Me : its ok .. mine anual income is 54 laks
Vo : have you ever been traveled outside?
Me : no
Vo : sorry sir unfortinaly i cant issue visa this time under sec (214b) (and gimme a 214b paper)
Me : thanku sir

I need to know where i am did mistake ..plz guys help me

( i am married and have 2 kids )