Delhi government today approved a proposal to involve conservation NGO INTACH to protect and refurbish 16 monuments across the city.A Cabinet meeting presided over by Chief Minister Sheila Dikshit gave a go-ahead to the proposal to execute anagreement between INTACH and Department of Archaeology for effective conservation of the monuments.The Delhi government had launched an ambitious project to improve conservation of various important monuments in the city in 2008 and had involved INTACH for the purpose.The Cabinet also decided to offer 10 per cent rebate on the sale of Khadi clothes in government-run outlets for a period of three months. The rebate is in addition to the 20 per cent rebate being offered by the centre since Gandhi Jayanti.