Rudra Dalmia takes charge as Paytm Mall’s Executive Director. Dalmia joined Paytm Mall earlier this year as Sr. VP-finance. Development comes as the Paytm Mall COO Amit Sinha decides to leave the firm. Dalmia has 20 years of experience in investment banking and asset management. He was India head & MD of Danish retail broker Saxo bank. Paytm aims to scale up biz by 40-50% in this FY .