Itr filing required or not urgent

a female senior citizen having fd interest income. she given 15h to bank but by mistake tds of rs.34 deducted once n later no deduction made. during the financial year 17-18 she earned rs.15,000 as interest and during f.y. 17-18 she made a deposit of rs. 1.40 lacs at bank fd for 1 yr. and rs.1.60 lacs in post office senior citizen saving scheme(5yr.fd) out of past savings. does she need to file a return as tds of rs.34 deducted? which itr? what should be the source of income and under which head of income? kindly suggest asap. thanks in advance