My query is why only accuse got arrest not the buyer ??

A software engineer from Karimnagar, was arrested by the Telangana police on Thursday, for selling child porn videos through Telegram groups. The accused had allegedly uploaded 1,270 child porn videos and made Rs 60,000 by selling these videos on a subscription basis through Telegram groups since the month of June The accused used to download child porn from various Telegram groups and websites of different countries. He would then sell them to customers on a subscription basis and reportedly charged Rs 100 from customers to join his Telegram group and an additional Rs 100 for getting access to these videos. Police seized his laptop and cell phone and discovered that he had over 2,000 subscribers to his Telegram groups, police officials said case was registered under Sections 292 IPC, Section 15 of POCSO Act 2012 and 66-E,67,67-A of the IT Act against the accused by the Karimnagar(my query is why only the software engineer only get arrested and all other buyer/subscriber not arrested?