Bajaj Finserv — Cashback not giving as promise

Dear Bajaj finserv
Mujhe niveadak purvak kahna hai ki maine 6 nov.2022 ko vivov25 mobile Bajaj mall se promocode cashback1 applied successfully kar k liya tha jisme mujhe 2000 ki cashback Milne wali thi jo ki abhi tak nahi mili hai.again and again complaint raise Kiya email kiye.branch office gayi but koi Santosh janak reply nahi mil Rahi.promocode apply karte waqt screenshot nahi ho rahi thi.even aaj k date me v band baja sale promocode chal rahi hai jiska screenshot nahi ho sakti.jish waqt promocode successfully hua tha purchase karte samay ushka mere pass koi proof nahi hai to kya mai ishe Bajaj mall k dwara fake ad samjhu.cheating to customer samjhu.agar aisa nahi to fir cashback receive kyu nahi ho rahi Bajaj mall k dwara.sirf mail ka reply aata hai ki I am not elegible any cashback.jab maine promocode dala to applied successfully kyu aaya.aaya to mujhe kyu nahi mili ab tak.please solve it and send me my cashback .if any need to call please call to me [protected].