Sonata Software NET Developer interview questions

They said face to face interview, but it is written test and the contact person Pallavi Mohan , I hate her attitude.They make us wait for more than 2 hours just to inform anything

First face to face round technical Second round face to face round HR round Salary discussion I cleared my three rounds and they gave me offer pre employer form. But after that no mail no communication from company and no response for my mail also