Domestic carrier SpiceJet Monday rolled out a low-fare offer, 'Travel Light’, with 1.50 lakh domestic seats for as low as Rs.999, for people carrying only cabin baggage. The bookings can be made for 3 days, starting Monday, and are valid for travel between Jul-1 and Oct-15. Passengers carrying up to 15 kilos of checked-in luggage will be charged Rs.750 extra.