For video editing , choose a SSD that has LARGE SLC Cache and DRAM buffer and consider that you will be using only 75% of the SSD Space at max.(Calculate the required SSD capacity accordingly).
Since your budget is around 11-14k, you might wanna increase it a little bit and get something like :-
[Adata XPG gammix s70 blade](’
Buy Online Adata XPG Gammix S70 Blade 2TB M.2 NVMe Internal SSD AGAMMIXS70B-2T-CS In India’
)
[Kingstton KC3000](’
)
i am excluding samsung 980 pro , Crucial p5Plus , WD SN850s because they are very much out of your budget range although they are the best choice.