Complex sentence: The NSS unit of the college (Tech cell Unit: 159) engages in social service activities in and around the college, providing equipment like black boards, benches and desks for primary and secondary schools in the neighborhoods.
Split into simpler sentences: The NSS unit of the college (Tech cell Unit: 159) actively engages in various social service activities in and around the college. They provide equipment like black boards, benches and desks for primary and secondary schools in the neighborhoods.