My great grand father was French nationality and he working as amina under French government . he got married in 15/04/1891. And (my great grand father) daughter was born in 28/09/1910 (she was my grand mother) she having French nationality and she got married (tamil-indian man ) in 22/01/1928 in Pondicherry. And (my grand mother) son (he was my father) born in 2/08/1947 and he got married in 1982 an (tamil-indian) girl and my father got married in tamil nadu (cuddolor) and register his marriage in Pondicherry but he is not French nationality. And I am son of my father and i born in Pondicherry at 1984.
Can I get nationality