1) form 1 and 14 are LAND TITLE DOCUMENT FOR VILLAGE AND NON-CITY PROPERTIES
2) Form I & XIV is a document which tells you about the particular land/area (under Survery No & Sub. Div No), whether it is a
cultivable on un-cultivable, total area/size, the Occupant/s (The owner/s), tenant/s, other rights holders (if any) .
3) for carrying out mutation 15 days notice is required to be given to all the parties concerned
4) Records in form I & XIV and corresponding survey maps have presumptive value. They are not proof of Title.
5) since your father had purchased property from catholic church by sale deed your father was absolute owner of said land . property has been mutated in your mother name on your father demise
6) since your mother has given NOC you can carry on construction after your building plans are sanctioned .
7) since name of catholic church is shown as occupant you would need catholic church consent also
8) contact a local lawyer