Srei Infra share price recently made its 52 weeks high on 4th July 2016, and has been trading near it as on Tuesday, Srei Equipment , a wholly owned subsidiary of SREI Infrastructure Finance, said that Brickwork Ratings has upgraded its rating to BWR 'AA+' with stable outlook from BWR "AA" for its non-convertible debentures (NCDs) aggregating to Rs 2,130 crore. The rating shows that the instruments are considered to have a high degree of safety concerning timely servi