Hi,
Hope you are doing well.
Yes, you can do a MLT (medical lab technology) diploma. You can do this diploma if you have 50% aggregate marks in science subjects. Both medical and non- medical stream students can do this diploma.The duration of this diploma is of two years and you you get a certificate after completing it.
There many many government and non- government institutions offering this diploma and you can select the college according to your preference or area you live nearby.
Hope it helps.
Thank you.