Can electronics and communication graduates can get admission in IT masters?Will there be problem getting visa for that?

I don’t think there shall be any issue with an electronics and communication graduate wanting to pursue a Masters in IT. 

You just need to make sure that you meet the prerequisites for an MS in IT. 

These are the basic requirements for international students who want to pursue a Master Degree In Information Technology In USA:

Undergraduate Degree

English Language Proficiency & Other Score Requirements

Undergraduate Degree

To apply for MS IT In USA Universities, it is necessary to possess a bachelor's degree that is three to four years in duration in an appropriate course/subject.

English Language Proficiency & Other Score Requirements

To be admitted to US universities, international students must provide proof of their language proficiency. The following are the requirements for a Masters In Information Technology USA:

IELTS: 6.5

TOEFL: 80

GRE: at least 161 and 150 on the Quantitative and Verbal sections

Let me know if you need any further information on the same.