Kolkata: Tata Metaliks Limited posted a 122 per cent jump in net profit to rs.3.78 crore during the first quarter of the current fiscal over Rs.1.72 crore in the corresponding period last year. The total sales of the company increased by 26 per cent to Rs. 30.71 crore during the period against Rs.24 crore last year. The huge increase in net profit was mainly due to a significant fall in interest burden which decline from rs. 79 lakh to Rs. 49 lakh in Q1 this year.