Vegetarian people can take almonds,cheese, milk and curd in diet.
Multivitamin supplements are needed if diet cannot fill requirement.
Below 200 is considered deficiency.
At 242, you are borderline.
If symptoms like tingling, numbness in hands and feet, generalized weakness and increased skin pigmentation have occurred you can start medications.
Next Steps
tab
vitamin b12 500mcg once a day for 3 months.