Budget 0-20k Aio liquid cooler 240mm suggestion

lian li galahad 240 else 360 if you can afford and accomodate it in cabinate

Arctic liquid freezer 2 series have recently increased their warranty to 6 years , IDK same has been updated to Indian market as well .

But if you are willing to pay that amount of money on a product which are are well known to have issues over time ,you should be better off with Noctua or dark rock air coolers mount them and forget.