Continues Couphing after Eat/Drink

Since last 2 year, i am getting problem in my through where after every Eating/Drinking immediately getting cough

And its lasting at least 1 hour  , i have visit ENT specialist, Gastroenterology and the found i have small Hiatus Hernia, and now i am consulting with one Experienced Doctor, he found that i have high TSH (7.99) and said this is the reason for my problem , 

And some one have similar problem and let know good treatment where i can get in india.

What is TSH??

Thyroid-Stimulating Hormone