(Need Advice) Currently in tier 3 final year. Should i start preparing for CDS exam and don't sit for placements?

I'm currently in final year of my btech -cse, on campus placement are on going but i feel like I can't do it / i don't wanna do it. Dsa and all feels like useless, dsa and all this feeling like burden. should i prepare for CDS exam? I wanna join army since 2020. (Previously i also appeared for ssb).

Agr placement me nhi li or cds ke liye prepare kia or exam clear nhi hua to? Ghr wale kya kahenge I'm lost. What to do samjh nhi aarha koi senior koi kuch advice dedo please 🙏