Hi Satish,
Thank you for reaching out. If your garage conditions are similar to your kitchen, you can likely keep the refrigerator there. Please refer to the guidelines on pages 8, 9, and 22 for more details.
User Manual:
https://downloadcenter.samsung.com/content/UM/202512/20251219060210016/DA68-04752Q_FDR_RF6500C_3Door_EN-MES-CFR_251014.pdf
-Diana