Idea Cellular has slashed prices of 3G\/4G night surfing data packs by up to 50 per cent. The subscribers can now avail of 1GB of night data at Rs 125 for a month, enabling them to save upto 50 per cent of their normal costs. Idea also announced a unique \u2018Day and Night\u2019 twin pack which, offers 30 per cent discount to customers compared to existing data packs. The \u2018Day & Night Twin\u2019 pack starts from a low Rs 115 for 500 MB (250 MB Day + 250 MB Night) per month and goes up to 40 GB (20GB Day + 20GB Night). Idea Cellular, an AV Birla group company, provides Global System for Mobile communications (GSM)-based wireless service at the pan-India level, it is present in all 22 telecom circles.