See the SRM scholarships are given to outstanding performers in SRMJEE and not branch specific as the admissions are done thereafter. This is because SRMJEEE is the common entrance for admissions. So there is nothing like scholarships for chemcial, mechanical etc. Prepare and write it well.  There are scholarships for SRMJEE toppers, JEE Maintoppers, state toppers, district toppers etc. Check details here