MEERUT, March 9 -- A 25-year-old engineer allegedly stabbed his twin sister over 40 times and attacked their mother for objecting to his relationship with a woman from a different community in Uttar Pradesh's Moradabad district, police said on Sunday, adding the accused has been arrested. The incident took place under the Majhola police station limits on Friday, Moradabad City SP Kumar Ranvijay Singh. The siblings, both 25, had travelled from Gurugram, where they worked, to their mother Neelima's rented house in Buddhi Vihar Sector-2 in Moradabad on March 3 to celebrate Holi. They were scheduled to return on Friday when an argument broke out between them, police said. "Hardik allegedly turned on his sister Himshikha with a knife, stabbing h...