Do i need any medication. 68 plz advise.

Sir, 8months back (oct 2016) I had severe anxiety as I had stopped smoking for 3 months before. I had full body checkup then. My ha1bc was 7.7 and TSH was 7.6. Later in March 1st onwards I was loosing weight from 87 kgs to 81.5 kgs. Doctor advised me for ha1bc which was 11.1 and TSH was 11.0. Doctor started insulin 20 units a day ( morning 12 and Evening 8) from March 19  to 36 units a day ( morning 20 and Evening 16)  till to April 10. Later I got hypoglycemia when doctor increased to 40 units a day ( Morning 22 and Evening 18) later revised to 36 then End of April doctor advised me for C-PEPTIDE test which was 3.5 ng/ml ( Ref 1.1- 4.5)  and GAD Test which was 1.64 ( Ref < 10.00) I stopped from May 1st all Medications and insulin as I had work to go out of City. 4, 5 days the readings were normal. Later deliberately I have stopped till now. Today( June 30) Fasting was 102.. yesterday Fasting was 99. I have checked for TSH yesterday it was 7.68 Plz advise..