Rayies, even if you weren’t holding L&TFH shares on record date and bought RE’s from secondary market, you are eligible to apply for rights shares.
As you’ve bought RE’s from secondary market, it will show 0 in “No. shares entitled for” field, in the “No. shares applied for” field enter the number of RE’s you have.
As you are having 375 RE’s, you will receive guaranteed allotment for that many shares.