Hi, I am 29 years old weigh 72 kg. I am feeling...

Pain and itch in the throat could be due to several reasons, most commonly mild irritation from the environment or viral uper trespiraroy infection-URTI
Treatment
You should focus on talking hot drinks and not to expose to cold 
Take citrizine 10 mg before sleep 
Take paracetamol or trufen 400 trice a day
Signs and Symptoms of URTI
dry throat
pain 
itch
numbness
sneezing
some discharges from the nose
fever
shkin rashes
 Causes of URTI
most cases of URTI are due to viral infection, but some cases this might be a bacterial infection so in that case antibiotics may be describesd as well
:Advice
take  hot liquids
 try not to expose to winds or cold
seek medical exam if you feel any severe pain, high grade fever, submandibular swellings that are so tender