There are degree and diploma courses offered by prominent film institutes in india. Please attend any one of the course and that will give you more opportunities and exposure to the industry.
The below link provide you the 24 best free video editing software programs in 2020:
Apart from this if you want to choose editing as profession there are multiple institutes in and around bangalore:
You can try one of these, they are Free.
+ http://www.alldj.com/video_editor/video_editor.htm.. look at the right side of this site, those links also provide more programs
these are expensive, but you might interesting :)
Here's Adobe Premier pro CS4 it's about $800, I think it is one of the best video editors.
Or you can try final cut pro, if you wanna buy it, it's about $1,299
Or Final Cut Express 4, it's about $199
Or iLife ’09, it's about $169
Or Avid Media Composer
Or Avid Symphony Nitris
Or Avid Xpress Pro