Retractable Roof is a new innovation done by NIHVA for Bungalows, Hotels, Hospital, Villas, Apartments, commercial complex, Offices, where we can add more glory by allowing partial sunlight to enter in premises at day and starry sky view at nights. Roofs are operated in many ways you like Folding Roof, sliding roof, telescopic roof, single sided, double sided, vertical lift, inclined lift and etc.