Need some mentorship for my upsc 2027 preparation

1.I have completed laxmikanth for polity

2. Spectrum for MH

3.some portion of economy

4. Some portion of geography

5.My optional is PSIR where i completed only till Western political thinkers.

6. I have not practiced answer writing

7. Eassy not touched

Is it possible to complete PSIR ??

And what should i do now in this situation?? Need some guidance