//As per some suggestions I write this code in my project but still going to face same issue
@Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) 
    {
        // TODO Auto-generated method stub
        super.onActivityResult(requestCode, resultCode, data);
        if(requestCode == PICK_IMAGE/PICK_Camera_IMAGE && resultCode == Activity.RESULT_OK)
        {
               Fragment yourFragment = getSupportFragmentManager().findFragmentById(R.id.frame_container); // same tag while adding fragment for the first time.
               if (yourFragment != null) 
        {
                   yourFragment.onActivityResult(requestCode, resultCode, data); //calling method that should be defined in your fragment.
         }
         }
    }
//this code is from MainActivity.java class.. //Should I write Above Activity Result Code into my Mainfragment class?
 gallery.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    try {
                        Intent gintent = new Intent();
                        gintent.setType("image/*");
                        gintent.setAction(Intent.ACTION_GET_CONTENT);
                        startActivityForResult(Intent.createChooser(
                                gintent, "Select Picture"), PICK_IMAGE);
                    } catch (Exception e) {
                        Toast.makeText(mainActivity,
                                e.getMessage(), Toast.LENGTH_LONG).show();
                        Log.e(e.getClass().getName(), e.getMessage(), e);
                    }
                    d.dismiss();
                }
            });
            camera.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    // define the file-name to save photo taken by Camera
                    // activity
                    String fileName = "new-photo-name.jpg";
                    // create parameters for Intent with filename
                    ContentValues values = new ContentValues();
                    values.put(MediaStore.Images.Media.TITLE, fileName);
                    values.put(MediaStore.Images.Media.DESCRIPTION,
                            "Image captured by camera");
                    // imageUri is the current activity attribute, define
                    // and save it for later usage (also in
                    // onSaveInstanceState)
                    imageUri = getActivity().getContentResolver().insert(
                            MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
                            values);
                    // create new Intent
                    Intent intent = new Intent(
                            MediaStore.ACTION_IMAGE_CAPTURE);
                    intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);
                    intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
                    startActivityForResult(intent, PICK_Camera_IMAGE);
        }
        });
// This is the code belongs to my Profile Fragment class..
// I stuck over here didn't get any kind of solution 
// I'm using fragment viewpager 
 
     
     
     
    