The Ramdas Athavale-led Republican Party of India (RPI) objected to Trivedi's participation, saying the cartoonist had "hurt the sentiments" of the Dalit community with his cartoons that had "grossly insulted" the national emblem and other constitutional symbols.
The 25-year-old cartoonist, whose sedition charges were dropped by the Maharashtra government recently after his arrest, debuted on TV in the sixth season of the popular show.
Two persons, suspected to be RPI activists, came on a motorcycle and one of them pelted stones at the TV channel's office this afternoon, Deputy Police Commissioner Namdev Chavan said.
Police suspect that the accused wanted to damage the property of the channel as it did not pay heed to their party's demand to evict Trivedi.
Trivedi is nominated for elimination this week, alongwith Gulab Gang leader Sampat Pal and hairstylist Sapna Bhavnani.
Model Karishma Kotak was also nominated, but she had to leave the show after her father's demise. Last evening she was informed about her father's health and given the option either to stay or leave the house.
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"Bigg Boss Season 6 contestant Karishma Kotak left the Bigg Boss house after nearly four weeks due to a family emergency. The model had to leave the Bigg Boss house as her father, who was ailing from severe liver sclerosis, passed away last evening," a statement issued by Colors said.
Karishma isn't the only contestant who has had to exit the show due to personal reasons - British celebrity Jade Goody had to exit the second season abruptly after she was diagnosed with cancer and actress Shamita Shetty had sought permisson to leave Bigg Boss 3 in order to attend her sister's wedding.
This season, which began airing from October 7, has been a smooth sail so far barring a few brawls among contestants.