Vit D tablets/ syrup once a week after food either in morning or afternoon. Take vit D for 8 weeks only.
Vit
B12 treatment plan varies with your vit B 12 value, plan includes injections daily once for a week followed by alternate days once for 2 weeks then weekly once for one month and finally monthly once for 6 months. Consult and then start vit B 12 to know at which level you need to start