Hi Abhigyan, welcome to the Git community!
[1] is the GSoC 2026 ideas page, but to submit your application to Git you will need to complete a microproject first. You can find the microproject ideas here [2]. I would also suggest going through [3] and [4] before sending a patch.
Best, Deveshi
[1] https://git.github.io/SoC-2026-Ideas/ [2] https://git.github.io/SoC-2026-Microprojects/ [3] https://git.github.io/General-Microproject-Information/ [4] https://git-scm.com/docs/SubmittingPatches