If you detect that you are being ignored silently at work place What communication strategy would you employ to handle this volatile situation ?

Before taking any step please re-confirm if you are really getting ignored or is it just your thinking.

If You really think that you are being ignored , Speak Up is the best strategy , using different forums within company to raise your concern. 

You should be approaching Your reporting manager first and explain what are you feeling , he should be the best one to take care og this, get a valid reason if you are being ignored.

even though ignoring is not at all a solution for any problems at working, if you are unable to get the satisfactory answer from reporting manager , do not hesitate to write or meet the higher level managers regarding this.

If you do not prefer to reveal your identity , use different forums to report the issue , Many MNC's will have a forum to address employee issues where employee name will be kept hidden , if not letters can be dropped at box placed at office to raise the concerns.

Yes and also if you not get any satisfactory response , Look for a new Opportunity in different Firm.

doing ur work without any mistake and try to get new challenge in other good environment

I  agree with answers to experts specialists in this field 

Doing the same thing and ignore them and kept on the official dealing under the laws and regulations

Primarily, effective workplace communication depends on your ability to read the attitude of the other person or group. This is something that can be picked up from the behavior you see and will reflect their emotions and feelings towards the communication. I believe that, the emotions you identify throughout your communication will alert you to any need to alter your communication style to suit that emotion being displayed. This is important whether you communicating at work or even in your personal life.

So, being able to adapt your communication style will aid you in achieving your objective. There are four types of attitudes towards communication:

• Passive

• Passive/Aggressive

• Aggressive

• Assertive

First: Passive communications Attitude

This best describes someone who tends to remain silent and go along with other people's views and opinions, even if they disagree with them. You may recognize this individual within your team or department and have thought that they were uninterested in the discussion so did not ask for their views. Another possibility is that they are a Thinker communicator who is hesitant to join in because they lack the information to support their views. By training your observation and listening techniques to pick up on such nuances you will be able to greatly improve the effectiveness of your communication.

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Second: Passive Aggressive communication Attitude

You will be able to identify such individuals in your discussions because they are the ones who use their body language or tone of voice to gain control over people or situations. For example, they may use sarcasm to subtly disrupt proceedings and manipulate a discussion to their viewpoint without being confrontational. When you see this happening you will need to regain control of the conversation and create a more positive and effective atmosphere so that you can attain your objective. This may be something an Active communicator does to keep the discussion moving along at their own pace. It is also a way someone who is a Connector may respond if they feel people's feelings are being overlooked or ignored.

Third: Aggressive communication attitude

This behavior, if not brought swiftly under control, is very disruptive and destructive. This attitude describes a one-way style of communication as the person is not listening to or acknowledging anyone else in the exchange. You will be able to recognize this sort of person because they will be expressing their views strongly. They will want to control the exchange so that they can achieve their own ends. Such individuals often display body language that is dismissive or threatening.

Fourth: Assertive communicationAttitude

Is the one you and others in the exchange need to adopt in order to communicate successfully. This attitude creates an environment of honest and open communications where people are able to express their beliefs and views. This attitude encourages people to feel comfortable expressing themselves because they know that opinions will be listened to and respected whether or not they are agreed with. Therefore, In your management role you should always display an assertive attitude. The skill is learning to adapt what you say during the exchange so that you efficiently achieve your objective without alienating anyone.

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Suggestions

Handling these situations rely on your emotional intelligence, which can be defined as your ability to control and manage your own emotions and to understand those of others. Your ability to identify and respond appropriately to other people's emotions is reflected in your capacity to build rapport, empathy, and relationships. Those who have excellent interpersonal skills and emotional intelligence tend to be more successful and productive. The first step you can take to achieve this is to have a clear understanding of how your own emotions influence and impact your effectiveness in communicating. 

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Keep focusing on the work or tasks giving by boss. and if done those perfectly then dont need to worry about being ignored. sooner or later you would get noticed positively.

ignore it silently , tit for tat

Be direct and ask why that behaviour!