Replacement strings BG 65Ti and BG 66UM

I live in India and Yonex string prices keep rising, I use mostly BG 65TI and have used BG 66 ULTIMAX just for the feel of it.

What would be cheaper replacements for these two or even maybe better than these.

I have tried Li-ning no. 7, no.7 boost and no.5. I like no.5 but no.7 not so much, boost is more expensive than Yonex so not going for it again.

Never tried other brands so I am here. Thanks for your inputs.

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