Vistara Airlines — my baggage is not delivered

Respected vistara team,
Today fist time i take the fight with my family we are four person travail with flight no uk 959 delhi to ahmedabad we have 6 bag apart from 6 we got 5 bag and one back is not comei wait 40 min on balt after that i asked vistara people but they is saying your bag struck in 4 in new delhi and they informed me regarding this but they are saying lie. No one informed me. Now i am waiting airport almost 1:30min still is didn't got the bag. The vistara people are talking ridiculous and i think your service is very bad i will not take this flight again : good by vistara