Business Visa - B1

Hi All,

Today I had my B1 visa interview at Chennai consulate.

I'm 26years old, MBA graduate with overall 4.3years work experience. I have no travel history to US before, applying for the first time.

Here is how the interview went

VO: Give me your passport
ME: Handed over my passport

VO: What is the purpose you are traveling to US
ME: I am traveling to attend the *** conference & expo

VO: What is your role in this conference?
ME: Explained in short and crisp way

VO: Are you traveling alone?
ME: Yes

VO: Have you been out of India before?
ME: Yes I've been to Malaysia once

VO: What is your title in this Organization?
ME: Inside sales executive

VO: How much do you earn annually?
ME: ***LPA

VO: What is your overall work experience?
ME: 4.3years

VO: Handsover the 214(b), told me sorry you are not eligible for immigarant visa this time.
ME: thank you and walked away.

P.S No documents asked during the interview process.

Though I kept my invite letter, and all key documents upfront visible to his eyes he didnt even care to look at it. I have no clue what went wrong. I assume it would be because my income and work experience is not conviencing from the VO point of view.

Does anyone experience the same case? if so, what is the best way to consider before re-applying.

Thanks.