In order to get admission in the SRM univeraity for the BTech, you need to meet the miimum passing and eligibiliy criteria.

Since you have entioned that you have score 55 percentile in the 12th class examination., there is a slightly fair possibility that you would have a chance.

And for the further details, if you have any query you can even visit our website, where there is a detailed description which would be quite helpful for you

https://engineering.careers360.com/colleges/ranking