Fig. 4.

Actual cumulative values (red colour) of confirmed, recovered and death cases in India for the study period 1st June to 27th August, 2020 (unlock period) are fitted by the solution (green colour) of the system (3) with fixed controls $u_1=0.15$, $u_2=0.35$ and $u_3=0$ . (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)