Read the passage and answer the following questions.The census of 1991 was the fifth census of independent India and conducted as usual from 9th to 28th February, 2001 to present census data as on sunrise of 1st March 2001, the reference date. The two phases were continued in the same way like previous two censuses.In the first phase a house list was canvassed to collect the information on housing data and also amenities available to the households. The scope of house list was enlarged and for the first time a question regarding type of fuel used for cooking was canvassed. In 1981 the question on availability of toilet facility was canvassed for urban areas only. However, in 1991, it was canvassed for rural area also. During 2nd phase following two schedules were canvassed, (a) Household schedule and (b) Individual slip1. Between which dates the census for 2001 was conducted.2. What information was collected in the first phase of census?3. Which question was canvassed in 1991?4. Which two schedule were canvassed in IInd phase?