You are not properly informed and the HR personnel is misleading.
Still remain amiable and gentle but document proeprly under proper acknwoledgment and build irrefutable record.
It is 80 days and not 1 year........................."No woman shall be entitled to maternity benefit unless she has actually worked in an establishment of the employer from whom she claims maternity benefit, for a period of not less than eighty days in the twelve months immediately preceding the date of her expected delivery."
The Act and excerpts should be displayed at a conspicious place in establishment.
Maternity Benefit Act 1961: 2,3,25,27,28
There are many threads on maternity Benfit at LCI that you can searh in Search Option on left hand side and become properly informed.
https://www.lawyersclubindia.com/forum/Violation-of-maternity-leave-rules-136183.asp
https://www.lawyersclubindia.com/forum/Pregnant-woman-forced-to-resign-134119.asp
https://www.lawyersclubindia.com/forum/180-days-maternity-leave-for-women-working-in-private-sector-102343.asp#.Vx1rmtQrLIU
https://www.lawyersclubindia.com/forum/Resignation-after-maternity-leave-79271.asp#.Vy3V49J97IU
https://www.lawyersclubindia.com/forum/180-days-maternity-leave-for-women-working-in-private-sector-102343.asp#.Vy3V59J97IU
https://www.lawyersclubindia.com/forum/Maternity-leave-salary-76258.asp#.Vy3V_tJ97IU
https://www.lawyersclubindia.com/forum/Salary-not-received-no-compensation-while-maternity-leave-136783.asp