BONETTI WAAREE is a good company to work for, there is no doubt on this.
However the statement on WAAREE is not true. WAAREE has a very good brand perception and is one of the most known names in Instrumentation field. There are employees working for many many years here and it has a fair and good practices and corporate governance.
The review appears to have been written by someone who is disgruntled or carries some wrong impressions.
You may get in touch with the employees of these companies rather than relying on this kind of reviews where anyone can write anything.