Liberty Shoes — I didn't get msg with link to fill details and get gift

Address:

Cg road, Ahmedabad, Ahmedabad, Gujarat, 91

" I purchesed Healer s product from liberty show room at cg road, Ahmedabad on 25 th july, 2019.
Afterthat i got msg on 30 th july, 2019 as follows
"hey V got a surprise for u, Fill in your details in order to receive this exciting gift from us" this much, not more than that.
How and where i fill details in order to claim gift, without any link?
Pl, do the needful action for this.