Saraswat Bank — cheqe book not received but bank tells its delivered

My mother Padmaja p Raje is 77 years old having sb ac with your borivali branch ac no [protected].On 28 jan she applied for cheque book after many time calling at branch she got reply that your cheqe book is recd plz collect and when she went to collect same for her surprise counter people after searching lot not found her cheque book after 4 days she went again this time counter person told its delivered to your home but till today she has not received any cheque book she is staying alone in house so some body else must have taken this theory doesnt work also she had undergone back surgery so house was locked is also not possible .Now my complaint is that cheqe book delivered to whom and who is responsible for mental trouma we allgo through as being a sr citizen she feel like cheated by bank and every day complaing us for same.Plz look into this matter urgently Thanking you Vandana Parlikar [protected]/[protected]