Hello Rachna 

For one year MBA course you can opt for PGPM or executive MBA. For which you have to take CAT or GMAT exam. Below are the top institute which provide one year MBA course. 

1) FMS, Delhi ( fee is 100000)

2) IIM Kozikode (7,30,000)

3) IIFT (3,50,000)

4) SOIL, Gurgaon and many more.

For this if you have taken any exams, then last date to apply for these courses are aligned in February month.

Good luck for your career ahead.