Use darduptradi oil

The condition you have is alopecia Areata. The bald patches sometimes recovers on their own in 2 or 3 months.  But in case if you observe coin sized patches are increasing in size or becoming multiple please consult a dermatologist.  Ayurvedic home remedies are using neem leaves and hibiscus along with onion juice on affected area.  It will subside in 2 weeks.  And body itching can be due to number of causes and in bangalore mostly people gets allergic toxin produced by to dust mites.  If u had previous dust allergy history then body itching is possible.

Hello sir, you must have to visit Ayurvedic physician for that. The root cause of you problem is indigestion due to which dosha's in your body are disturbed, so you need to take Ayurvedic treatment properly.

Try to maintain hygiene. According to Ayurveda it may be due to krumi (worms infestation), so get it diagnosed by ayurvedic physician. In home remedy you can try head bath with decoction of Awala, shikekai and jeshthamadh. Also whole body bath with water boiled adding Neem tree leaves.