Food Panda — salary

Hello sir, I am Sarthak Jain and i am delivery boy working with food panda since 3 weeks, but i only get Rs.3, 300 salary, when today i visit foodpanda office in gurugram, they said that you are defaulter & you have to resigned, they forcely take my signature on resignation letter. but sir i delivers many order in 3 weeks and also i had online 12 hrs daily but they didn't give my salary, plz sir help me to file a complaint against company...