Getting these cold pain in hands can be due to Neurological problem or problem in blood circulation of hands or fingers. As you hv not given details if there is any discoloration on fingers or not, duration of the problem, it is difficult to come to a diagnosis. You need to take direct consultation for this
Next Steps
Start with Gulvel swaras 40 ml twice daily with water ( empty stomach). Consult a doctor as early as possible.
Health Tips
Stop smoking if you are into the habit of it as this can be one of the reasons.
Take warm healthy food on regular timings. Include more warm fluids in diet like dal, soup, kadhi etc