1. why Japaense?

Japan needs about 1 lakh engineers in a year for their work with high salary and there are many opportunities in indian with different IT & Core Sectors with japanese projects.higher studies with scholarship in top universities in japan.

2.How Many Levels are there in japanese language?

In Japanese language there are 5 Levels

N5- Ultra Beginner Level

N4- Beginner Level

N3- Pre- intermidiate Level

N2-Intermidiate Level

N1-Advanced Level

3.How Long it will take for each level?

Maximum it will take 6 months for each level.But based on your's effort and potential it varies...

4.what about Examinations?

There are two different types of JLPT and Nat exam.

JLPT- Japanese Language Proficieny Test.(6 month Once in year)

NAT Test(2 months Once in year)