Hello,

If you didn't have Biology as your one of your major subject during your intermediate then you are not eligible to appear for the NEET exam.  Here are some common eligibility criterias which needs to be fulfilled by the aspirants

1. He/she must have attained minimum 17 years of age

2. He/She should have passed 12th with English/Physics, Chemistry and Biology. 50 percent should aggregate in P/C/B.

3. For general category students- Minimum 50 percent is mandatory, for SC/ST/OBC- Minimum-40 percent and for PWD- minimum 45 percent.

Since you didn't have Biology in 12th, you're not eligible. For more information please visit this link

https://www.google.com/amp/s/medicine.careers360.com/articles/neet-eligibility-criteria/amp

Good Luck.