Sir I Ma Diabetic Since Last 12 Yeras, I Am

Sir I ma Diabetic since last 12 yeras, I am 52 now. Since Last 6 months I am on LCHF+ Protien. My Avrage BS Level Morning empty stomach 170, After 2 Hrs of BF 140, Before Lunch 110, 2 Hrs later 120, Before dinner 85, After 2hrs 115. Morning 3-4 am is 100.
My Medication is Voglistar GM2( Glimepride 2mg+Voglibose0.2+Metmorphin 500 Mg) - Thrice a day, Sitagliptin 50/500- Twice a day.
Please suggest how to improve the High BS level in morning. My doctor is suggesting me to take Basel Insulin & syaing that lever is not getting sensitive to Body Insulin. The Body insulin level is 2.5. Hb1 AC level improved form 9.5 to 8.2 in last 3 months.