Dear Aspirant,

You can start your Jee preparation freshly and you can also start it from base.firstly you have to figure out your strongest of three then you have to start preparing for it.you have to do hard work and solve as much problems as.you can because hard work is only key to success

Your conceptual base must be strong .if it is strong then you will get into top IIT to clear Jee advanced the top secret is to strong your fundamental and core concepts.

Dont focus or consider your past results and give a amazing start to your engineering preparation career and definitely you will achieve great success in upcoming months.

Here I am providing you link by visiting the link you can find important details and paper pattern,syllabus and more additional information

https://www.google.com/amp/s/engineering.careers360.com/articles/jee-main/amp

Thanks

All the very best