
Based on the available information, the specific sections of the BNS and SC/ST Act applied in the Lakhimpur Kheri case are not detailed.
The provided sources do not contain information about Kuldeep Kumar's family discovering his critical condition. The articles focus on the death of Kamal Dhyani after falling into a pit in Janakpuri.
The provided sources do not contain information about a boiling jaggery cauldron incident or the accused's family's version of such an event.