Aastha Singh, HDFC Bank employee heard making 'Thakur' remark, said a co-worker had resigned and was seeking to get her relieving letter the same day. She said the co-worker's relative argued with her in the morning. Then, after working hours ended at 3:30 pm, the co-worker's husband entered the office, made indecent comments and asked, "What's your caste?", Singh added.