Amarchand is battling on in Punjab & Haryana for telecommunications company Nokia Siemens Networks (NSN) in its attempts to sue state-owned telecoms operator Bharat Sanchar Nigam Ltd (BSNL) over a Rs 30,000 crore ($6bn) contract.

Amarchand & Mangaldas & Suresh A Shroff & Co litigation partner Ritu Bhalla is leading the NSN team, which has today filed another petition against BSNL with the Chandigarh High Court in Punjab & Haryana.