Citibank — credit card collectors

Hi all,
I am a regular credit card user since 2015 and always pay my emis always on time. However several months back i lost my job and i was jobless for 4 months.
I hold credit card from tata sbi, citi bank and hdfc and i am unable to pay my monthly emi. I got the job now however the salary is only 20000. I have have 4 dependents and lives in a rented house. They have charge triple interest on the capital amount and calls me every day abusing me and asking me if i cant pay the money why did i took the money.

They also come at my home and abused me in front of my neighbors i felt so ashamed of myself.
They even call up my parents and harrassed them.
I cannot pay so much of money altogether.
I told them but they are very rude and abusive.
What can i do please help here's my email address: [protected]@gmail.com