my jee mains percentile is 79 and state hariyana,12th 84% hbse ,can i get electronic and communication in btech in mdu or gju ,

As per your rank your percentage , it is difficult but you can try .

In MDU.  the electrical cutoff is 2434 to 564229.

And also GJU cutoff is

B.Tech Electrical Engineering the closing rank 160545

You can visit college website also

GJU :- http://www.gjust.ac.in/

MDU :- http://www.uietmdu.com/

For more information  about MDU , GJU you can visit link

https://www.careers360.com/university/maharshi-dayanand-university-rohtak

https://www.careers360.com/university/guru-jambheshwar-university-of-science-and-technology-hisar

Thank you . I hope this answer helps you.