Hello, if you were not able to qualify for jee mains you can go for other private exams. you can find a list of various exams on careers360 website. 

I hope this helps, all the best.

Sachin, 

There's no need to get disheartened. There are various government  engineering colleges to take admission in. 

You may register for IPU(INDRAPEASTH UNIVERSITY), Delhi. . 

you may register for colleges in Punjab university .

You can register for State engineering colleges through state level exam like UPSEE, KCET, GUJCET etc. 

Every state has it's own exam for engineering colleges. You may register for that. 

I can help you more if you tell me to which state you belong. 

Please tell me your state in comment section and I will be able to help you in a better way. 

One main thing never feel demotivated there's ton of engineering colleges in India all you need is good knowledge .